From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Fri, 19 Sep 2008 02:22:26 +0000 (-0400)
Subject: Unionfs: initialize lower mnt in lookup after vfs_path_lookup
X-Git-Tag: unionfs-2.5~14
X-Git-Url: https://git.fsl.cs.stonybrook.edu/?a=commitdiff_plain;h=12f92be0c29c6f6a8fb3c79f49fbe4bdea7d9ab7;p=unionfs-2.6.25.y.git

Unionfs: initialize lower mnt in lookup after vfs_path_lookup

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

diff --git a/fs/unionfs/lookup.c b/fs/unionfs/lookup.c
index 0ae7f3af27b..d75e7132c8b 100644
--- a/fs/unionfs/lookup.c
+++ b/fs/unionfs/lookup.c
@@ -395,7 +395,9 @@ struct dentry *unionfs_lookup_full(struct dentry *dentry,
 			goto out_free;
 		}
 		unionfs_set_lower_dentry_idx(dentry, bindex, lower_dentry);
-		BUG_ON(!lower_mnt);
+		if (!lower_mnt)
+			lower_mnt = unionfs_mntget(dentry->d_sb->s_root,
+						   bindex);
 		unionfs_set_lower_mnt_idx(dentry, bindex, lower_mnt);
 
 		/* adjust dbstart/end */