linux-kernel - [PATCH 11/13] fs/unionfs/: mntput in __cleanup

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Date:	Sun,  4 Mar 2007 20:55:01 -0500
From:	"Josef 'Jeff' Sipek" <jsipek@...sunysb.edu>
To:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Cc:	Erez Zadok <ezk@...sunysb.edu>,
	"Josef 'Jeff' Sipek" <jsipek@...sunysb.edu>
Subject: [PATCH 11/13] fs/unionfs/: mntput in __cleanup_dentry

From: Erez Zadok <ezk@...sunysb.edu>

This fixes a mnt refleak which occured during copyup when directory
hierarchy was recreated on a writable branch.

Signed-off-by: Erez Zadok <ezk@...sunysb.edu>
Signed-off-by: Josef 'Jeff' Sipek <jsipek@...sunysb.edu>
---
 fs/unionfs/copyup.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/unionfs/copyup.c b/fs/unionfs/copyup.c
index 998cc69..e0075ca 100644
--- a/fs/unionfs/copyup.c
+++ b/fs/unionfs/copyup.c
@@ -548,6 +548,9 @@ static void __cleanup_dentry(struct dentry * dentry, int bindex,
 		if (!unionfs_lower_dentry_idx(dentry, i)->d_inode) {
 			dput(unionfs_lower_dentry_idx(dentry, i));
 			unionfs_set_lower_dentry_idx(dentry, i, NULL);
+
+			mntput(unionfs_lower_mnt_idx(dentry, i));
+			unionfs_set_lower_mnt_idx(dentry, i, NULL);
 		} else {
 			if (new_bstart < 0)
 				new_bstart = i;
-- 
1.5.0.2.260.g2eb065

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