[patch 4/9] exec: remove unnecessary check for MNT_NOEXEC

[miklos@szeredi.hu]

From: Miklos Szeredi <mszeredi@suse.cz>

vfs_permission(MAY_EXEC) checks if the filesystem is mounted with
"noexec", so there's no need to repeat this check in sys_uselib() and
open_exec().

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---

Index: linux/fs/exec.c
===================================================================
--- linux.orig/fs/exec.c	2007-08-09 11:01:54.000000000 +0200
+++ linux/fs/exec.c	2007-08-09 11:04:24.000000000 +0200
@@ -113,9 +113,6 @@ asmlinkage long sys_uselib(const char __
 	if (error)
 		goto out;
 
-	error = -EACCES;
-	if (nd.mnt->mnt_flags & MNT_NOEXEC)
-		goto exit;
 	error = -EINVAL;
 	if (!S_ISREG(nd.dentry->d_inode->i_mode))
 		goto exit;
@@ -659,8 +656,7 @@ struct file *open_exec(const char *name)
 	if (!err) {
 		struct inode *inode = nd.dentry->d_inode;
 		file = ERR_PTR(-EACCES);
-		if (!(nd.mnt->mnt_flags & MNT_NOEXEC) &&
-		    S_ISREG(inode->i_mode)) {
+		if (S_ISREG(inode->i_mode)) {
 			int err = vfs_permission(&nd, MAY_EXEC);
 			file = ERR_PTR(err);
 			if (!err) {

--
-
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