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-rw-r--r--fs/exec.c37
1 files changed, 15 insertions, 22 deletions
diff --git a/fs/exec.c b/fs/exec.c
index aef0c2f19750..b71b08ce7120 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1346,7 +1346,7 @@ 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;
@@ -1371,13 +1371,13 @@ 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
@@ -1436,8 +1436,7 @@ 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;
@@ -1521,7 +1520,7 @@ 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;
@@ -1563,19 +1562,17 @@ 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,
@@ -1585,7 +1582,7 @@ 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
@@ -1666,7 +1663,7 @@ 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;
@@ -1679,8 +1676,7 @@ 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;
@@ -1693,12 +1689,9 @@ 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;
@@ -1706,6 +1699,6 @@ 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