From 45ec4ababe999cb95f9c0cad03b2689cb0b77a2b Mon Sep 17 00:00:00 2001
From: Michael Halcrow <mhalcrow@us.ibm.com>
Date: Mon, 30 Oct 2006 22:07:20 -0800
Subject: [PATCH] eCryptfs: Fix handling of lower d_count

Fix the use of dget/dput calls to balance out on the lower filesystem.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 fs/ecryptfs/dentry.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'fs/ecryptfs/dentry.c')

diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c
index f0d2a433242b..0b9992ab990f 100644
--- a/fs/ecryptfs/dentry.c
+++ b/fs/ecryptfs/dentry.c
@@ -24,6 +24,7 @@
 
 #include <linux/dcache.h>
 #include <linux/namei.h>
+#include <linux/mount.h>
 #include "ecryptfs_kernel.h"
 
 /**
@@ -76,8 +77,13 @@ static void ecryptfs_d_release(struct dentry *dentry)
 	if (ecryptfs_dentry_to_private(dentry))
 		kmem_cache_free(ecryptfs_dentry_info_cache,
 				ecryptfs_dentry_to_private(dentry));
-	if (lower_dentry)
+	if (lower_dentry) {
+		struct vfsmount *lower_mnt =
+			ecryptfs_dentry_to_lower_mnt(dentry);
+
+		mntput(lower_mnt);
 		dput(lower_dentry);
+	}
 	return;
 }
 
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