linux-kernel - [PATCH] Unlock vfsmount_lock in do

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Date:	Wed, 23 Feb 2011 16:59:49 +0900
From:	"J. R. Okajima" <hooanon05@...oo.co.jp>
To:	linux-kernel@...r.kernel.org
Cc:	linux-fsdevel@...r.kernel.org,
	"J. R. Okajima" <hooanon05@...oo.co.jp>,
	Nick Piggin <npiggin@...nel.dk>
Subject: [PATCH] Unlock vfsmount_lock in do_mount

By the commit
	b3e19d9 2011-01-07 fs: scale mntget/mntput
vfsmount_lock was introduced around testing mnt_count.
Fix the mis-typed 'unlock'

Signed-off-by: J. R. Okajima <hooanon05@...oo.co.jp>
---
 fs/namespace.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 7b0b953..d1edf26 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1244,7 +1244,7 @@ static int do_umount(struct vfsmount *mnt, int flags)
 		 */
 		br_write_lock(vfsmount_lock);
 		if (mnt_get_count(mnt) != 2) {
-			br_write_lock(vfsmount_lock);
+			br_write_unlock(vfsmount_lock);
 			return -EBUSY;
 		}
 		br_write_unlock(vfsmount_lock);
-- 
1.6.6.1

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