Fix bug

[can-eth-gw-linux.git] / fs / exec.c

diff --git a/fs/exec.c b/fs/exec.c
index 0039055b1fc6533c636ca98dd2b9ad73b52d5de6..721a299295117f92d271f17afd224db1787712a1 100644 (file)
--- 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