From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Tue, 13 Nov 2007 01:35:58 +0000 (-0500)
Subject: Unionfs: debugging updates
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=0842f9a634e00a4e7b296268637a93fc1bccbcc9;p=unionfs-3.3.y.git

Unionfs: debugging updates

Don't perform dentry+inode checks unless both are valid.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---

diff --git a/fs/unionfs/debug.c b/fs/unionfs/debug.c
index 0066ccd9ec7..8464fbba7f0 100644
--- a/fs/unionfs/debug.c
+++ b/fs/unionfs/debug.c
@@ -299,7 +299,7 @@ check_inode:
 	 * be NULL.  But, check that all three are NULL: lower dentry, mnt,
 	 * and inode.
 	 */
-	if (S_ISDIR(inode->i_mode))
+	if (dstart >= 0 && dend >= 0 && S_ISDIR(inode->i_mode))
 		for (bindex = dstart+1; bindex < dend; bindex++) {
 			lower_inode = unionfs_lower_inode_idx(inode, bindex);
 			lower_dentry = unionfs_lower_dentry_idx(dentry,