[PATCH] minor CAP_DAC_OVERRIDE fix

CAP_DAC_OVERRIDE fails to give search permission in a directory with
mode 0.

Patch acked by Chris Wright <chrisw@osdl.org>
Signed-off-by: Andries Brouwer <aeb@cwi.nl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/namei.c

@@ -316,7 +316,7 @@ static inline int exec_permission_lite(struct inode *inode,
 {
 	umode_t	mode = inode->i_mode;
 
-	if ((inode->i_op && inode->i_op->permission))
+	if (inode->i_op && inode->i_op->permission)
 		return -EAGAIN;
 
 	if (current->fsuid == inode->i_uid)
@@ -330,6 +330,9 @@ static inline int exec_permission_lite(struct inode *inode,
 	if ((inode->i_mode & S_IXUGO) && capable(CAP_DAC_OVERRIDE))
 		goto ok;
 
+	if (S_ISDIR(inode->i_mode) && capable(CAP_DAC_OVERRIDE))
+		goto ok;
+
 	if (S_ISDIR(inode->i_mode) && capable(CAP_DAC_READ_SEARCH))
 		goto ok;