diff options
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/fs/exec.c b/fs/exec.c index 0039055b1fc..721a2992951 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1349,7 +1349,7 @@ EXPORT_SYMBOL(remove_arg_zero); /* * cycle the list of binary formats handler, until one recognizes the image */ -int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) +int search_binary_handler(struct linux_binprm *bprm) { unsigned int depth = bprm->recursion_depth; int try,retval; @@ -1374,13 +1374,13 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) for (try=0; try<2; try++) { read_lock(&binfmt_lock); list_for_each_entry(fmt, &formats, lh) { - int (*fn)(struct linux_binprm *, struct pt_regs *) = fmt->load_binary; + int (*fn)(struct linux_binprm *) = fmt->load_binary; if (!fn) continue; if (!try_module_get(fmt->module)) continue; read_unlock(&binfmt_lock); - retval = fn(bprm, regs); + retval = fn(bprm); /* * Restore the depth counter to its starting value * in this call, so we don't have to rely on every @@ -1439,8 +1439,7 @@ EXPORT_SYMBOL(search_binary_handler); */ static int do_execve_common(const char *filename, struct user_arg_ptr argv, - struct user_arg_ptr envp, - struct pt_regs *regs) + struct user_arg_ptr envp) { struct linux_binprm *bprm; struct file *file; @@ -1524,7 +1523,7 @@ static int do_execve_common(const char *filename, if (retval < 0) goto out; - retval = search_binary_handler(bprm,regs); + retval = search_binary_handler(bprm); if (retval < 0) goto out; @@ -1566,19 +1565,17 @@ 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); } #ifdef CONFIG_COMPAT -int compat_do_execve(const char *filename, +static int compat_do_execve(const char *filename, const compat_uptr_t __user *__argv, - const compat_uptr_t __user *__envp, - struct pt_regs *regs) + const compat_uptr_t __user *__envp) { struct user_arg_ptr argv = { .is_compat = true, @@ -1588,7 +1585,7 @@ int compat_do_execve(const char *filename, .is_compat = true, .ptr.compat = __envp, }; - return do_execve_common(filename, argv, envp, regs); + return do_execve_common(filename, argv, envp); } #endif @@ -1669,7 +1666,7 @@ 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; @@ -1682,8 +1679,7 @@ asmlinkage long compat_sys_execve(const char __user * filename, struct filename *path = getname(filename); int error = PTR_ERR(path); if (!IS_ERR(path)) { - error = compat_do_execve(path->name, argv, envp, - current_pt_regs()); + error = compat_do_execve(path->name, argv, envp); putname(path); } return error; @@ -1696,12 +1692,9 @@ 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; @@ -1709,6 +1702,6 @@ 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 |