From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Wed, 20 Aug 2008 17:04:27 +0000 (-0400)
Subject: Unionfs: initialize lower mnt in lookup after vfs_path_lookup
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=b1e27a5753a2b037e6c0e6b205626dcecd832e27;p=unionfs-2.6.39.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 0a9602a68eb..a3b42357fa2 100644
--- a/fs/unionfs/lookup.c
+++ b/fs/unionfs/lookup.c
@@ -392,7 +392,9 @@ 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 */