From: Andreas Gruenbacher <agruen@suse.de>
Subject: Pass nameidata2 to may_delete()

Pass the nameidata through to may_delete(), and pass it on to the
permission() call.

Signed-off-by: Andreas Gruenbacher <agruen@suse.de>

---
 fs/namei.c |   18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1418,8 +1418,9 @@ static inline int check_sticky(struct in
  * 10. We don't allow removal of NFS sillyrenamed files; it's handled by
  *     nfs_async_unlink().
  */
-static int may_delete(struct inode *dir,struct dentry *victim,int isdir)
+static int may_delete(struct nameidata2 *nd, struct dentry *victim, int isdir)
 {
+	struct inode *dir = nd->dentry->d_inode;
 	int error;
 
 	if (!victim->d_inode)
@@ -1428,11 +1429,8 @@ static int may_delete(struct inode *dir,
 	BUG_ON(victim->d_parent->d_inode != dir);
 	audit_inode_child(victim->d_name.name, victim->d_inode, dir);
 
-#if 0
-	if (nd)
-		nd->flags |= LOOKUP_CONTINUE;
-#endif
-	error = permission(dir,MAY_WRITE | MAY_EXEC, NULL);
+	nd->flags |= LOOKUP_CONTINUE;
+	error = permission(dir,MAY_WRITE | MAY_EXEC, nd);
 	if (error)
 		return error;
 	if (IS_APPEND(dir))
@@ -2049,7 +2047,7 @@ void dentry_unhash(struct dentry *dentry
 int vfs_rmdir(struct nameidata2 *nd, struct dentry *dentry)
 {
 	struct inode *dir = nd->dentry->d_inode;
-	int error = may_delete(dir, dentry, 1);
+	int error = may_delete(nd, dentry, 1);
 
 	if (error)
 		return error;
@@ -2131,7 +2129,7 @@ asmlinkage long sys_rmdir(const char __u
 int vfs_unlink(struct nameidata2 *nd, struct dentry *dentry)
 {
 	struct inode *dir = nd->dentry->d_inode;
-	int error = may_delete(dir, dentry, 0);
+	int error = may_delete(nd, dentry, 0);
 
 	if (error)
 		return error;
@@ -2517,14 +2515,14 @@ int vfs_rename(struct nameidata2 *old_nd
 	if (old_dentry->d_inode == new_dentry->d_inode)
  		return 0;
  
-	error = may_delete(old_dir, old_dentry, is_dir);
+	error = may_delete(old_nd, old_dentry, is_dir);
 	if (error)
 		return error;
 
 	if (!new_dentry->d_inode)
 		error = may_create(new_nd, new_dentry);
 	else
-		error = may_delete(new_dir, new_dentry, is_dir);
+		error = may_delete(new_nd, new_dentry, is_dir);
 	if (error)
 		return error;