From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Fri, 24 Sep 2010 07:10:09 +0000 (-0400)
Subject: Unionfs: pass valid vfsmount to vfs_statfs
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=146259b785d85f069c0f766d1dd78e2d06655b28;p=unionfs-2.6.39.y.git

Unionfs: pass valid vfsmount to vfs_statfs

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

diff --git a/fs/unionfs/super.c b/fs/unionfs/super.c
index 1bd49f5fd0b..b8cabeccdb2 100644
--- a/fs/unionfs/super.c
+++ b/fs/unionfs/super.c
@@ -144,8 +144,9 @@ static int unionfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 
 	lower_dentry = unionfs_lower_dentry(sb->s_root);
 	lower_path.dentry = lower_dentry;
-	lower_path.mnt = NULL;
+	lower_path.mnt = unionfs_mntget(sb->s_root, 0);
 	err = vfs_statfs(&lower_path, buf);
+	mntput(lower_path.mnt);
 
 	/* set return buf to our f/s to avoid confusing user-level utils */
 	buf->f_type = UNIONFS_SUPER_MAGIC;