From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20120309190209.467644198@linuxfoundation.org> Date: Fri, 09 Mar 2012 11:03:31 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Joe Thornber , Mike Snitzer , Alasdair G Kergon Subject: [ 89/95] dm thin metadata: unlock superblock in init_pmd error path In-Reply-To: <20120309194424.GA2134@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Joe Thornber commit 4469a5f387fdde956894137751a41473618a4a52 upstream. If dm_sm_disk_create() fails the superblock must be unlocked. Signed-off-by: Joe Thornber Acked-by: Mike Snitzer Signed-off-by: Alasdair G Kergon Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-thin-metadata.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -385,6 +385,7 @@ static int init_pmd(struct dm_pool_metad data_sm = dm_sm_disk_create(tm, nr_blocks); if (IS_ERR(data_sm)) { DMERR("sm_disk_create failed"); + dm_tm_unlock(tm, sblock); r = PTR_ERR(data_sm); goto bad; }