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| author | Peter Maydell | 2016-06-06 20:58:02 +0200 |
|---|---|---|
| committer | Riku Voipio | 2016-06-08 09:13:45 +0200 |
| commit | 918c03ed9ac583eb9d5c33345a814291e1dd2e87 (patch) | |
| tree | 1154f0bb6289642ea1cd86f21c6f640623f7a90e /linux-user/syscall.c | |
| parent | linux-user: Fix error conversion in 64-bit fadvise syscall (diff) | |
| download | qemu-918c03ed9ac583eb9d5c33345a814291e1dd2e87.tar.gz qemu-918c03ed9ac583eb9d5c33345a814291e1dd2e87.tar.xz qemu-918c03ed9ac583eb9d5c33345a814291e1dd2e87.zip | |
linux-user: Use safe_syscall wrapper for readv and writev syscalls
Use the safe_syscall wrapper for readv and writev syscalls.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 8f8d9db78c..e0c49cc11f 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -712,6 +712,8 @@ safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) safe_syscall2(int, kill, pid_t, pid, int, sig) safe_syscall2(int, tkill, int, tid, int, sig) safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) +safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) +safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) static inline int host_to_target_sock_type(int host_type) { @@ -8986,7 +8988,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, { struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); if (vec != NULL) { - ret = get_errno(readv(arg1, vec, arg3)); + ret = get_errno(safe_readv(arg1, vec, arg3)); unlock_iovec(vec, arg2, arg3, 1); } else { ret = -host_to_target_errno(errno); @@ -8997,7 +8999,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, { struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); if (vec != NULL) { - ret = get_errno(writev(arg1, vec, arg3)); + ret = get_errno(safe_writev(arg1, vec, arg3)); unlock_iovec(vec, arg2, arg3, 0); } else { ret = -host_to_target_errno(errno); |