linux-user: Propagate goto efault to return

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180818190118.12911-5-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

1 files changed, 175 insertions, 166 deletions

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 54721684e7..19e98cc0e5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8158,7 +8158,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             return 0;
         } else {
             if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
-                goto efault;
+                return -TARGET_EFAULT;
             ret = get_errno(safe_read(arg1, p, arg3));
             if (ret >= 0 &&
                 fd_trans_host_to_target_data(arg1)) {
@@ -8169,7 +8169,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         return ret;
     case TARGET_NR_write:
         if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
-            goto efault;
+            return -TARGET_EFAULT;
         if (fd_trans_target_to_host_data(arg1)) {
             void *copy = g_malloc(arg3);
             memcpy(copy, p, arg3);
@@ -8187,7 +8187,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_open
     case TARGET_NR_open:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
                                   target_to_host_bitmask(arg2, fcntl_flags_tbl),
                                   arg3));
@@ -8197,7 +8197,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
     case TARGET_NR_openat:
         if (!(p = lock_user_string(arg2)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(do_openat(cpu_env, arg1, p,
                                   target_to_host_bitmask(arg3, fcntl_flags_tbl),
                                   arg4));
@@ -8232,7 +8232,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
             if (!is_error(ret) && arg2 && ret
                 && put_user_s32(host_to_target_waitstatus(status), arg2))
-                goto efault;
+                return -TARGET_EFAULT;
         }
         return ret;
 #endif
@@ -8244,7 +8244,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
             if (!is_error(ret) && arg3 && info.si_pid != 0) {
                 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 host_to_target_siginfo(p, &info);
                 unlock_user(p, arg3, sizeof(target_siginfo_t));
             }
@@ -8254,7 +8254,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_creat /* not on alpha */
     case TARGET_NR_creat:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(creat(p, arg2));
         fd_trans_unregister(ret);
         unlock_user(p, arg1, 0);
@@ -8280,7 +8280,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         {
             void * p2 = NULL;
             if (!arg2 || !arg4)
-                goto efault;
+                return -TARGET_EFAULT;
             p  = lock_user_string(arg2);
             p2 = lock_user_string(arg4);
             if (!p || !p2)
@@ -8295,7 +8295,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_unlink
     case TARGET_NR_unlink:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(unlink(p));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8303,7 +8303,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #if defined(TARGET_NR_unlinkat)
     case TARGET_NR_unlinkat:
         if (!(p = lock_user_string(arg2)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(unlinkat(arg1, p, arg3));
         unlock_user(p, arg2, 0);
         return ret;
@@ -8323,7 +8323,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             guest_argp = arg2;
             for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
                 if (get_user_ual(addr, gp))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 if (!addr)
                     break;
                 argc++;
@@ -8332,7 +8332,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             guest_envp = arg3;
             for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
                 if (get_user_ual(addr, gp))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 if (!addr)
                     break;
                 envc++;
@@ -8407,7 +8407,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         return ret;
     case TARGET_NR_chdir:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(chdir(p));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8419,14 +8419,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             if (!is_error(ret)
                 && arg1
                 && put_user_sal(host_time, arg1))
-                goto efault;
+                return -TARGET_EFAULT;
         }
         return ret;
 #endif
 #ifdef TARGET_NR_mknod
     case TARGET_NR_mknod:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(mknod(p, arg2, arg3));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8434,7 +8434,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #if defined(TARGET_NR_mknodat)
     case TARGET_NR_mknodat:
         if (!(p = lock_user_string(arg2)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(mknodat(arg1, p, arg3, arg4));
         unlock_user(p, arg2, 0);
         return ret;
@@ -8442,7 +8442,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_chmod
     case TARGET_NR_chmod:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(chmod(p, arg2));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8477,7 +8477,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             if (arg1) {
                 p = lock_user_string(arg1);
                 if (!p) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             } else {
                 p = NULL;
@@ -8488,7 +8488,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (arg1) {
                     unlock_user(p, arg1, 0);
                 }
-                goto efault;
+                return -TARGET_EFAULT;
             }
 
             if (arg3) {
@@ -8498,7 +8498,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                         unlock_user(p, arg1, 0);
                     }
                     unlock_user(p2, arg2, 0);
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             } else {
                 p3 = NULL;
@@ -8527,7 +8527,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_umount
     case TARGET_NR_umount:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(umount(p));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8537,7 +8537,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         {
             time_t host_time;
             if (get_user_sal(host_time, arg1))
-                goto efault;
+                return -TARGET_EFAULT;
             return get_errno(stime(&host_time));
         }
 #endif
@@ -8565,7 +8565,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct target_utimbuf *target_tbuf;
             if (arg2) {
                 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 tbuf.actime = tswapal(target_tbuf->actime);
                 tbuf.modtime = tswapal(target_tbuf->modtime);
                 unlock_user_struct(target_tbuf, arg2, 0);
@@ -8574,7 +8574,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 host_tbuf = NULL;
             }
             if (!(p = lock_user_string(arg1)))
-                goto efault;
+                return -TARGET_EFAULT;
             ret = get_errno(utime(p, host_tbuf));
             unlock_user(p, arg1, 0);
         }
@@ -8588,13 +8588,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (copy_from_user_timeval(&tv[0], arg2)
                     || copy_from_user_timeval(&tv[1],
                                               arg2 + sizeof(struct target_timeval)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 tvp = tv;
             } else {
                 tvp = NULL;
             }
             if (!(p = lock_user_string(arg1)))
-                goto efault;
+                return -TARGET_EFAULT;
             ret = get_errno(utimes(p, tvp));
             unlock_user(p, arg1, 0);
         }
@@ -8608,13 +8608,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (copy_from_user_timeval(&tv[0], arg3)
                     || copy_from_user_timeval(&tv[1],
                                               arg3 + sizeof(struct target_timeval)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 tvp = tv;
             } else {
                 tvp = NULL;
             }
-            if (!(p = lock_user_string(arg2)))
-                goto efault;
+            if (!(p = lock_user_string(arg2))) {
+                return -TARGET_EFAULT;
+            }
             ret = get_errno(futimesat(arg1, path(p), tvp));
             unlock_user(p, arg2, 0);
         }
@@ -8630,16 +8631,18 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
 #ifdef TARGET_NR_access
     case TARGET_NR_access:
-        if (!(p = lock_user_string(arg1)))
-            goto efault;
+        if (!(p = lock_user_string(arg1))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(access(path(p), arg2));
         unlock_user(p, arg1, 0);
         return ret;
 #endif
 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
     case TARGET_NR_faccessat:
-        if (!(p = lock_user_string(arg2)))
-            goto efault;
+        if (!(p = lock_user_string(arg2))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(faccessat(arg1, p, arg3, 0));
         unlock_user(p, arg2, 0);
         return ret;
@@ -8710,7 +8713,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_mkdir
     case TARGET_NR_mkdir:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(mkdir(p, arg2));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8718,7 +8721,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #if defined(TARGET_NR_mkdirat)
     case TARGET_NR_mkdirat:
         if (!(p = lock_user_string(arg2)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(mkdirat(arg1, p, arg3));
         unlock_user(p, arg2, 0);
         return ret;
@@ -8726,7 +8729,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_rmdir
     case TARGET_NR_rmdir:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(rmdir(p));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8754,7 +8757,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             if (arg1) {
                 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
                 if (!tmsp)
-                    goto efault;
+                    return -TARGET_EFAULT;
                 tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime));
                 tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime));
                 tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime));
@@ -8776,8 +8779,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         if (arg1 == 0) {
             ret = get_errno(acct(NULL));
         } else {
-            if (!(p = lock_user_string(arg1)))
-                goto efault;
+            if (!(p = lock_user_string(arg1))) {
+                return -TARGET_EFAULT;
+            }
             ret = get_errno(acct(path(p)));
             unlock_user(p, arg1, 0);
         }
@@ -8785,7 +8789,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_umount2
     case TARGET_NR_umount2:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(umount2(p, arg2));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8818,7 +8822,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         return get_errno(umask(arg1));
     case TARGET_NR_chroot:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(chroot(p));
         unlock_user(p, arg1, 0);
         return ret;
@@ -8868,7 +8872,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct target_old_sigaction *old_act;
             if (arg2) {
                 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 act._sa_handler = old_act->_sa_handler;
                 target_siginitset(&act.sa_mask, old_act->sa_mask);
                 act.sa_flags = old_act->sa_flags;
@@ -8879,7 +8883,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(do_sigaction(arg1, pact, &oact));
             if (!is_error(ret) && arg3) {
                 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 old_act->_sa_handler = oact._sa_handler;
                 old_act->sa_mask = oact.sa_mask.sig[0];
                 old_act->sa_flags = oact.sa_flags;
@@ -8890,7 +8894,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
 	    if (arg2) {
                 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
-                    goto efault;
+                    return -TARGET_EFAULT;
 		act._sa_handler = old_act->_sa_handler;
 		target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
 		act.sa_flags = old_act->sa_flags;
@@ -8904,7 +8908,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
 	    if (!is_error(ret) && arg3) {
                 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
 		old_act->_sa_handler = oact._sa_handler;
 		old_act->sa_flags = oact.sa_flags;
 		old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
@@ -8918,7 +8922,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct target_sigaction act, oact, *pact;
             if (arg2) {
                 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 act._sa_handler = old_act->_sa_handler;
                 target_siginitset(&act.sa_mask, old_act->sa_mask);
                 act.sa_flags = old_act->sa_flags;
@@ -8934,7 +8938,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(do_sigaction(arg1, pact, &oact));
             if (!is_error(ret) && arg3) {
                 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 old_act->_sa_handler = oact._sa_handler;
                 old_act->sa_mask = oact.sa_mask.sig[0];
                 old_act->sa_flags = oact.sa_flags;
@@ -8964,7 +8968,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             }
             if (arg2) {
                 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 act._sa_handler = rt_act->_sa_handler;
                 act.sa_mask = rt_act->sa_mask;
                 act.sa_flags = rt_act->sa_flags;
@@ -8975,7 +8979,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(do_sigaction(arg1, pact, &oact));
             if (!is_error(ret) && arg3) {
                 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 rt_act->_sa_handler = oact._sa_handler;
                 rt_act->sa_mask = oact.sa_mask;
                 rt_act->sa_flags = oact.sa_flags;
@@ -8996,7 +9000,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             }
             if (arg2) {
                 if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
 #ifdef TARGET_ARCH_HAS_KA_RESTORER
                 act->ka_restorer = restorer;
@@ -9098,7 +9102,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                     goto fail;
                 }
                 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 target_to_host_old_sigset(&set, p);
                 unlock_user(p, arg2, 0);
                 set_ptr = &set;
@@ -9109,7 +9113,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = do_sigprocmask(how, set_ptr, &oldset);
             if (!is_error(ret) && arg3) {
                 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 host_to_target_old_sigset(p, &oldset);
                 unlock_user(p, arg3, sizeof(target_sigset_t));
             }
@@ -9142,7 +9146,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                     goto fail;
                 }
                 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 target_to_host_sigset(&set, p);
                 unlock_user(p, arg2, 0);
                 set_ptr = &set;
@@ -9153,7 +9157,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = do_sigprocmask(how, set_ptr, &oldset);
             if (!is_error(ret) && arg3) {
                 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 host_to_target_sigset(p, &oldset);
                 unlock_user(p, arg3, sizeof(target_sigset_t));
             }
@@ -9166,7 +9170,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(sigpending(&set));
             if (!is_error(ret)) {
                 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 host_to_target_old_sigset(p, &set);
                 unlock_user(p, arg1, sizeof(target_sigset_t));
             }
@@ -9189,7 +9193,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(sigpending(&set));
             if (!is_error(ret)) {
                 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 host_to_target_sigset(p, &set);
                 unlock_user(p, arg1, sizeof(target_sigset_t));
             }
@@ -9204,7 +9208,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             target_to_host_old_sigset(&ts->sigsuspend_mask, &mask);
 #else
             if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
-                goto efault;
+                return -TARGET_EFAULT;
             target_to_host_old_sigset(&ts->sigsuspend_mask, p);
             unlock_user(p, arg1, 0);
 #endif
@@ -9224,7 +9228,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 return -TARGET_EINVAL;
             }
             if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
-                goto efault;
+                return -TARGET_EFAULT;
             target_to_host_sigset(&ts->sigsuspend_mask, p);
             unlock_user(p, arg1, 0);
             ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
@@ -9245,7 +9249,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             }
 
             if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
-                goto efault;
+                return -TARGET_EFAULT;
             target_to_host_sigset(&set, p);
             unlock_user(p, arg1, 0);
             if (arg3) {
@@ -9261,7 +9265,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                     p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
                                   0);
                     if (!p) {
-                        goto efault;
+                        return -TARGET_EFAULT;
                     }
                     host_to_target_siginfo(p, &uinfo);
                     unlock_user(p, arg2, sizeof(target_siginfo_t));
@@ -9276,7 +9280,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
             p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
             if (!p) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             target_to_host_siginfo(&uinfo, p);
             unlock_user(p, arg3, 0);
@@ -9289,7 +9293,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
             p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1);
             if (!p) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             target_to_host_siginfo(&uinfo, p);
             unlock_user(p, arg4, 0);
@@ -9310,7 +9314,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         return do_rt_sigreturn(cpu_env);
     case TARGET_NR_sethostname:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(sethostname(p, arg2));
         unlock_user(p, arg1, 0);
         return ret;
@@ -9321,7 +9325,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct target_rlimit *target_rlim;
             struct rlimit rlim;
             if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
-                goto efault;
+                return -TARGET_EFAULT;
             rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
             rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
             unlock_user_struct(target_rlim, arg2, 0);
@@ -9338,7 +9342,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(getrlimit(resource, &rlim));
             if (!is_error(ret)) {
                 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
                 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
                 unlock_user_struct(target_rlim, arg2, 1);
@@ -9361,7 +9365,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(gettimeofday(&tv, NULL));
             if (!is_error(ret)) {
                 if (copy_to_user_timeval(arg1, &tv))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -9372,14 +9376,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
             if (arg1) {
                 if (copy_from_user_timeval(&tv, arg1)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 ptv = &tv;
             }
 
             if (arg2) {
                 if (copy_from_user_timezone(&tz, arg2)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 ptz = &tz;
             }
@@ -9446,7 +9450,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
              */
             if (ts_addr) {
                 if (target_to_host_timespec(&ts, ts_addr)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 ts_ptr = &ts;
             } else {
@@ -9460,7 +9464,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
                 arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
                 if (!arg7) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 arg_sigset = tswapal(arg7[0]);
                 arg_sigsize = tswapal(arg7[1]);
@@ -9476,7 +9480,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                     target_sigset = lock_user(VERIFY_READ, arg_sigset,
                                               sizeof(*target_sigset), 1);
                     if (!target_sigset) {
-                        goto efault;
+                        return -TARGET_EFAULT;
                     }
                     target_to_host_sigset(&set, target_sigset);
                     unlock_user(target_sigset, arg_sigset, 0);
@@ -9492,14 +9496,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
             if (!is_error(ret)) {
                 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
-                    goto efault;
+                    return -TARGET_EFAULT;
 
                 if (ts_addr && host_to_target_timespec(ts_addr, &ts))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -9598,7 +9602,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_swapon
     case TARGET_NR_swapon:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(swapon(p, arg2));
         unlock_user(p, arg1, 0);
         return ret;
@@ -9608,7 +9612,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
            /* arg4 must be ignored in all other cases */
            p = lock_user_string(arg4);
            if (!p) {
-              goto efault;
+               return -TARGET_EFAULT;
            }
            ret = get_errno(reboot(arg1, arg2, arg3, p));
            unlock_user(p, arg4, 0);
@@ -9630,7 +9634,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             abi_ulong *v;
             abi_ulong v1, v2, v3, v4, v5, v6;
             if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
-                goto efault;
+                return -TARGET_EFAULT;
             v1 = tswapal(v[0]);
             v2 = tswapal(v[1]);
             v3 = tswapal(v[2]);
@@ -9703,7 +9707,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_truncate
     case TARGET_NR_truncate:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(truncate(p, arg2));
         unlock_user(p, arg1, 0);
         return ret;
@@ -9717,7 +9721,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #if defined(TARGET_NR_fchmodat)
     case TARGET_NR_fchmodat:
         if (!(p = lock_user_string(arg2)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(fchmodat(arg1, p, arg3, 0));
         unlock_user(p, arg2, 0);
         return ret;
@@ -9746,8 +9750,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
 #ifdef TARGET_NR_statfs
     case TARGET_NR_statfs:
-        if (!(p = lock_user_string(arg1)))
-            goto efault;
+        if (!(p = lock_user_string(arg1))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(statfs(path(p), &stfs));
         unlock_user(p, arg1, 0);
     convert_statfs:
@@ -9755,7 +9760,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct target_statfs *target_stfs;
 
             if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
-                goto efault;
+                return -TARGET_EFAULT;
             __put_user(stfs.f_type, &target_stfs->f_type);
             __put_user(stfs.f_bsize, &target_stfs->f_bsize);
             __put_user(stfs.f_blocks, &target_stfs->f_blocks);
@@ -9784,8 +9789,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
 #ifdef TARGET_NR_statfs64
     case TARGET_NR_statfs64:
-        if (!(p = lock_user_string(arg1)))
-            goto efault;
+        if (!(p = lock_user_string(arg1))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(statfs(path(p), &stfs));
         unlock_user(p, arg1, 0);
     convert_statfs64:
@@ -9793,7 +9799,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct target_statfs64 *target_stfs;
 
             if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
-                goto efault;
+                return -TARGET_EFAULT;
             __put_user(stfs.f_type, &target_stfs->f_type);
             __put_user(stfs.f_bsize, &target_stfs->f_bsize);
             __put_user(stfs.f_blocks, &target_stfs->f_blocks);
@@ -9891,7 +9897,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
     case TARGET_NR_getrandom:
         p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
         if (!p) {
-            goto efault;
+            return -TARGET_EFAULT;
         }
         ret = get_errno(getrandom(p, arg2, arg3));
         unlock_user(p, arg1, ret);
@@ -9959,7 +9965,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
                     || copy_from_user_timeval(&pvalue->it_value,
                                               arg2 + sizeof(struct target_timeval)))
-                    goto efault;
+                    return -TARGET_EFAULT;
             } else {
                 pvalue = NULL;
             }
@@ -9969,7 +9975,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                                          &ovalue.it_interval)
                     || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
                                             &ovalue.it_value))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -9983,22 +9989,24 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                                          &value.it_interval)
                     || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
                                             &value.it_value))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
 #ifdef TARGET_NR_stat
     case TARGET_NR_stat:
-        if (!(p = lock_user_string(arg1)))
-            goto efault;
+        if (!(p = lock_user_string(arg1))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(stat(path(p), &st));
         unlock_user(p, arg1, 0);
         goto do_stat;
 #endif
 #ifdef TARGET_NR_lstat
     case TARGET_NR_lstat:
-        if (!(p = lock_user_string(arg1)))
-            goto efault;
+        if (!(p = lock_user_string(arg1))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(lstat(path(p), &st));
         unlock_user(p, arg1, 0);
         goto do_stat;
@@ -10014,7 +10022,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 struct target_stat *target_st;
 
                 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 memset(target_st, 0, sizeof(*target_st));
                 __put_user(st.st_dev, &target_st->st_dev);
                 __put_user(st.st_ino, &target_st->st_ino);
@@ -10069,7 +10077,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (status_ptr && ret) {
                     status = host_to_target_waitstatus(status);
                     if (put_user_s32(status, status_ptr))
-                        goto efault;
+                        return -TARGET_EFAULT;
                 }
                 if (target_rusage) {
                     rusage_err = host_to_target_rusage(target_rusage, &rusage);
@@ -10083,7 +10091,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_swapoff
     case TARGET_NR_swapoff:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(swapoff(p));
         unlock_user(p, arg1, 0);
         return ret;
@@ -10096,7 +10104,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             if (!is_error(ret) && arg1)
             {
                 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 __put_user(value.uptime, &target_value->uptime);
                 __put_user(value.loads[0], &target_value->loads[0]);
                 __put_user(value.loads[1], &target_value->loads[1]);
@@ -10190,7 +10198,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
     case TARGET_NR_setdomainname:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(setdomainname(p, arg2));
         unlock_user(p, arg1, 0);
         return ret;
@@ -10200,7 +10208,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct new_utsname * buf;
 
             if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
-                goto efault;
+                return -TARGET_EFAULT;
             ret = get_errno(sys_uname(buf));
             if (!is_error(ret)) {
                 /* Overwrite the native machine name with whatever is being
@@ -10231,12 +10239,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct timex host_buf;
 
             if (target_to_host_timex(&host_buf, arg1) != 0) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ret = get_errno(adjtimex(&host_buf));
             if (!is_error(ret)) {
                 if (host_to_target_timex(arg1, &host_buf) != 0) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             }
         }
@@ -10247,12 +10255,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct timex htx, *phtx = &htx;
 
             if (target_to_host_timex(phtx, arg2) != 0) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ret = get_errno(clock_adjtime(arg1, phtx));
             if (!is_error(ret) && phtx) {
                 if (host_to_target_timex(arg2, phtx) != 0) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             }
         }
@@ -10302,7 +10310,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
 #endif
             if ((ret == 0) && put_user_s64(res, arg4)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -10333,7 +10341,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 		count1 = 0;
                 de = dirp;
                 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
-                    goto efault;
+                    return -TARGET_EFAULT;
 		tde = target_dirp;
                 while (len > 0) {
                     reclen = de->d_reclen;
@@ -10361,7 +10369,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             abi_long count = arg3;
 
             if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
-                goto efault;
+                return -TARGET_EFAULT;
             ret = get_errno(sys_getdents(arg1, dirp, count));
             if (!is_error(ret)) {
                 struct linux_dirent *de;
@@ -10390,7 +10398,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
             dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
             if (!dirp) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ret = get_errno(sys_getdents64(arg1, dirp, count));
             if (!is_error(ret)) {
@@ -10445,7 +10453,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct linux_dirent64 *dirp;
             abi_long count = arg3;
             if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
-                goto efault;
+                return -TARGET_EFAULT;
             ret = get_errno(sys_getdents64(arg1, dirp, count));
             if (!is_error(ret)) {
                 struct linux_dirent64 *de;
@@ -10494,7 +10502,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 target_pfd = lock_user(VERIFY_WRITE, arg1,
                                        sizeof(struct target_pollfd) * nfds, 1);
                 if (!target_pfd) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
 
                 pfd = alloca(sizeof(struct pollfd) * nfds);
@@ -10515,7 +10523,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (arg3) {
                     if (target_to_host_timespec(timeout_ts, arg3)) {
                         unlock_user(target_pfd, arg1, 0);
-                        goto efault;
+                        return -TARGET_EFAULT;
                     }
                 } else {
                     timeout_ts = NULL;
@@ -10530,7 +10538,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                     target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1);
                     if (!target_set) {
                         unlock_user(target_pfd, arg1, 0);
-                        goto efault;
+                        return -TARGET_EFAULT;
                     }
                     target_to_host_sigset(set, target_set);
                 } else {
@@ -10685,7 +10693,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 }
 
                 if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             }
         }
@@ -10722,10 +10730,10 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 goto fail;
             }
             if (arg1 && put_user_u32(cpu, arg1)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             if (arg2 && put_user_u32(node, arg2)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -10738,7 +10746,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 return -TARGET_EINVAL;
             }
             if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
-                goto efault;
+                return -TARGET_EFAULT;
             schp.sched_priority = tswap32(target_schp->sched_priority);
             unlock_user_struct(target_schp, arg2, 0);
             return get_errno(sched_setparam(arg1, &schp));
@@ -10754,7 +10762,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(sched_getparam(arg1, &schp));
             if (!is_error(ret)) {
                 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
-                    goto efault;
+                    return -TARGET_EFAULT;
                 target_schp->sched_priority = tswap32(schp.sched_priority);
                 unlock_user_struct(target_schp, arg2, 1);
             }
@@ -10768,7 +10776,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 return -TARGET_EINVAL;
             }
             if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
-                goto efault;
+                return -TARGET_EFAULT;
             schp.sched_priority = tswap32(target_schp->sched_priority);
             unlock_user_struct(target_schp, arg3, 0);
             return get_errno(sched_setscheduler(arg1, arg2, &schp));
@@ -10816,7 +10824,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
             if (!is_error(ret) && arg2
                 && put_user_ual(deathsig, arg2)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             return ret;
         }
@@ -10825,7 +10833,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         {
             void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
             if (!name) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ret = get_errno(prctl(arg1, (unsigned long)name,
                                   arg3, arg4, arg5));
@@ -10836,7 +10844,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         {
             void *name = lock_user(VERIFY_READ, arg2, 16, 1);
             if (!name) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ret = get_errno(prctl(arg1, (unsigned long)name,
                                   arg3, arg4, arg5));
@@ -10903,7 +10911,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             arg5 = arg6;
         }
         if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
         unlock_user(p, arg2, ret);
         return ret;
@@ -10913,14 +10921,14 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             arg5 = arg6;
         }
         if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
         unlock_user(p, arg2, 0);
         return ret;
 #endif
     case TARGET_NR_getcwd:
         if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(sys_getcwd1(p, arg2));
         unlock_user(p, arg1, ret);
         return ret;
@@ -10936,7 +10944,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         int data_items = 1;
 
         if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
-            goto efault;
+            return -TARGET_EFAULT;
         }
         header.version = tswap32(target_header->version);
         header.pid = tswap32(target_header->pid);
@@ -10956,7 +10964,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             }
             if (!target_data) {
                 unlock_user_struct(target_header, arg1, 0);
-                goto efault;
+                return -TARGET_EFAULT;
             }
 
             if (num == TARGET_NR_capset) {
@@ -11074,7 +11082,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 	if (!is_error(ret)) {
 	    struct target_rlimit *target_rlim;
             if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
-                goto efault;
+                return -TARGET_EFAULT;
 	    target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
 	    target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
             unlock_user_struct(target_rlim, arg2, 1);
@@ -11085,7 +11093,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_truncate64
     case TARGET_NR_truncate64:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
 	ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
         unlock_user(p, arg1, 0);
         return ret;
@@ -11096,8 +11104,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
 #ifdef TARGET_NR_stat64
     case TARGET_NR_stat64:
-        if (!(p = lock_user_string(arg1)))
-            goto efault;
+        if (!(p = lock_user_string(arg1))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(stat(path(p), &st));
         unlock_user(p, arg1, 0);
         if (!is_error(ret))
@@ -11106,8 +11115,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
 #ifdef TARGET_NR_lstat64
     case TARGET_NR_lstat64:
-        if (!(p = lock_user_string(arg1)))
-            goto efault;
+        if (!(p = lock_user_string(arg1))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(lstat(path(p), &st));
         unlock_user(p, arg1, 0);
         if (!is_error(ret))
@@ -11128,9 +11138,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_newfstatat
     case TARGET_NR_newfstatat:
 #endif
-        if (!(p = lock_user_string(arg2)))
-            goto efault;
+        if (!(p = lock_user_string(arg2))) {
+            return -TARGET_EFAULT;
+        }
         ret = get_errno(fstatat(arg1, path(p), &st, arg4));
+        unlock_user(p, arg2, 0);
         if (!is_error(ret))
             ret = host_to_target_stat64(cpu_env, arg3, &st);
         return ret;
@@ -11138,7 +11150,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_lchown
     case TARGET_NR_lchown:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
         unlock_user(p, arg1, 0);
         return ret;
@@ -11177,7 +11189,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             if (!is_error(ret)) {
                 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0);
                 if (!target_grouplist)
-                    goto efault;
+                    return -TARGET_EFAULT;
                 for(i = 0;i < ret; i++)
                     target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
                 unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id));
@@ -11209,7 +11221,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #if defined(TARGET_NR_fchownat)
     case TARGET_NR_fchownat:
         if (!(p = lock_user_string(arg2))) 
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
                                  low2highgid(arg4), arg5));
         unlock_user(p, arg2, 0);
@@ -11230,7 +11242,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (put_user_id(high2lowuid(ruid), arg1)
                     || put_user_id(high2lowuid(euid), arg2)
                     || put_user_id(high2lowuid(suid), arg3))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -11250,7 +11262,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (put_user_id(high2lowgid(rgid), arg1)
                     || put_user_id(high2lowgid(egid), arg2)
                     || put_user_id(high2lowgid(sgid), arg3))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -11258,7 +11270,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_chown
     case TARGET_NR_chown:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
         unlock_user(p, arg1, 0);
         return ret;
@@ -11275,7 +11287,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_lchown32
     case TARGET_NR_lchown32:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(lchown(p, arg2, arg3));
         unlock_user(p, arg1, 0);
         return ret;
@@ -11326,7 +11338,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
 
                 if (put_user_u64 (swcr, arg2))
-                        goto efault;
+                        return -TARGET_EFAULT;
                 ret = 0;
             }
             break;
@@ -11353,7 +11365,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 uint64_t swcr, fpcr, orig_fpcr;
 
                 if (get_user_u64 (swcr, arg2)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
                 fpcr = orig_fpcr & FPCR_DYN_MASK;
@@ -11380,7 +11392,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 int si_code;
 
                 if (get_user_u64(exc, arg2)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
 
                 orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
@@ -11549,7 +11561,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (put_user_u32(ruid, arg1)
                     || put_user_u32(euid, arg2)
                     || put_user_u32(suid, arg3))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -11567,7 +11579,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 if (put_user_u32(rgid, arg1)
                     || put_user_u32(egid, arg2)
                     || put_user_u32(sgid, arg3))
-                    goto efault;
+                    return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -11575,7 +11587,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_chown32
     case TARGET_NR_chown32:
         if (!(p = lock_user_string(arg1)))
-            goto efault;
+            return -TARGET_EFAULT;
         ret = get_errno(chown(p, arg2, arg3));
         unlock_user(p, arg1, 0);
         return ret;
@@ -12138,13 +12150,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             pposix_mq_attr = NULL;
             if (arg4) {
                 if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 pposix_mq_attr = &posix_mq_attr;
             }
             p = lock_user_string(arg1 - 1);
             if (!p) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr));
             unlock_user (p, arg1, 0);
@@ -12234,25 +12246,25 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             loff_t *ploff_in = NULL, *ploff_out = NULL;
             if (arg2) {
                 if (get_user_u64(loff_in, arg2)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 ploff_in = &loff_in;
             }
             if (arg4) {
                 if (get_user_u64(loff_out, arg4)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 ploff_out = &loff_out;
             }
             ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
             if (arg2) {
                 if (put_user_u64(loff_in, arg2)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             }
             if (arg4) {
                 if (put_user_u64(loff_out, arg4)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             }
         }
@@ -12362,7 +12374,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         if (arg4) {
             struct target_epoll_event *target_ep;
             if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ep.events = tswap32(target_ep->events);
             /* The epoll_data_t union is just opaque data to the kernel,
@@ -12398,7 +12410,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         target_ep = lock_user(VERIFY_WRITE, arg2,
                               maxevents * sizeof(struct target_epoll_event), 1);
         if (!target_ep) {
-            goto efault;
+            return -TARGET_EFAULT;
         }
 
         ep = g_try_new(struct epoll_event, maxevents);
@@ -12471,7 +12483,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         int resource = target_to_host_resource(arg2);
         if (arg3) {
             if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
             rnew.rlim_max = tswap64(target_rnew->rlim_max);
@@ -12482,7 +12494,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
         ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
         if (!is_error(ret) && arg4) {
             if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             target_rold->rlim_cur = tswap64(rold.rlim_cur);
             target_rold->rlim_max = tswap64(rold.rlim_max);
@@ -12560,7 +12572,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
                 phtimer = NULL;
             } else {
                 if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
             }
         }
@@ -12584,12 +12596,12 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
 
             if (target_to_host_itimerspec(&hspec_new, arg3)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
             ret = get_errno(
                           timer_settime(htimer, arg2, &hspec_new, &hspec_old));
             if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -12667,7 +12679,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(timerfd_gettime(arg1, &its_curr));
 
             if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -12680,7 +12692,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 
             if (arg3) {
                 if (target_to_host_itimerspec(&its_new, arg3)) {
-                    goto efault;
+                    return -TARGET_EFAULT;
                 }
                 p_new = &its_new;
             } else {
@@ -12690,7 +12702,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
 
             if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
-                goto efault;
+                return -TARGET_EFAULT;
             }
         }
         return ret;
@@ -12734,9 +12746,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
     }
 fail:
     return ret;
-efault:
-    ret = -TARGET_EFAULT;
-    goto fail;
 }
 
 abi_long do_syscall(void *cpu_env, int num, abi_long arg1,