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| author | Al Viro | 2012-10-21 03:49:33 +0200 |
|---|---|---|
| committer | Al Viro | 2012-11-29 03:53:37 +0100 |
| commit | da3d4c5fa56236dd924d77ffc4f982356816b93b (patch) | |
| tree | 37cbc90820ef0e5474801db00c968e2da7c455aa | |
| parent | make compat_do_execve() static, lose pt_regs argument (diff) | |
| download | kernel-qcow2-linux-da3d4c5fa56236dd924d77ffc4f982356816b93b.tar.gz kernel-qcow2-linux-da3d4c5fa56236dd924d77ffc4f982356816b93b.tar.xz kernel-qcow2-linux-da3d4c5fa56236dd924d77ffc4f982356816b93b.zip | |
get rid of pt_regs argument of do_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/exec.c | 16 | ||||
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 3 |
3 files changed, 8 insertions, 13 deletions
diff --git a/fs/exec.c b/fs/exec.c index f86b6cc2d6cc..5797ed07efd3 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1566,12 +1566,11 @@ out_ret: int do_execve(const char *filename, const char __user *const __user *__argv, - const char __user *const __user *__envp, - struct pt_regs *regs) + const char __user *const __user *__envp) { struct user_arg_ptr argv = { .ptr.native = __argv }; struct user_arg_ptr envp = { .ptr.native = __envp }; - return do_execve_common(filename, argv, envp, regs); + return do_execve_common(filename, argv, envp, current_pt_regs()); } #ifdef CONFIG_COMPAT @@ -1668,7 +1667,7 @@ SYSCALL_DEFINE3(execve, struct filename *path = getname(filename); int error = PTR_ERR(path); if (!IS_ERR(path)) { - error = do_execve(path->name, argv, envp, current_pt_regs()); + error = do_execve(path->name, argv, envp); putname(path); } return error; @@ -1694,12 +1693,9 @@ int kernel_execve(const char *filename, const char *const argv[], const char *const envp[]) { - struct pt_regs *p = current_pt_regs(); - int ret; - - ret = do_execve(filename, + int ret = do_execve(filename, (const char __user *const __user *)argv, - (const char __user *const __user *)envp, p); + (const char __user *const __user *)envp); if (ret < 0) return ret; @@ -1707,6 +1703,6 @@ int kernel_execve(const char *filename, * We were successful. We won't be returning to our caller, but * instead to user space by manipulating the kernel stack. */ - ret_from_kernel_execve(p); + ret_from_kernel_execve(current_pt_regs()); } #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index a0166481eb20..c57249782e48 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2288,7 +2288,7 @@ extern int disallow_signal(int); extern int do_execve(const char *, const char __user * const __user *, - const char __user * const __user *, struct pt_regs *); + const char __user * const __user *); extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *); struct task_struct *fork_idle(int); #ifdef CONFIG_GENERIC_KERNEL_THREAD diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 2779009ceaa3..526deb333b91 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -833,8 +833,7 @@ int kernel_execve(const char *filename, const char *const argv[], const char *co #define kernel_execve(filename, argv, envp) \ do_execve(filename, \ (const char __user *const __user *)argv, \ - (const char __user *const __user *)envp, \ - current_pt_regs()) + (const char __user *const __user *)envp) #endif asmlinkage long sys_execve(const char __user *filename, |