From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , alan@lxorguk.ukuu.org.uk, Jianpeng Ma , NeilBrown Subject: [ 24/56] md: Reassigned the parameters if read_seqretry returned true in func md_is_badblock. Date: Fri, 30 Nov 2012 10:55:16 -0800 Message-Id: <20121130185120.733014618@linuxfoundation.org> In-Reply-To: <20121130185118.302752929@linuxfoundation.org> References: <20121130185118.302752929@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: majianpeng commit ab05613a0646dcc11049692d54bae76ca9ffa910 upstream. This bug was introduced by commit(v3.0-rc7-126-g2230dfe). So fix is suitable for 3.0.y thru 3.6.y. Signed-off-by: Jianpeng Ma Signed-off-by: NeilBrown Signed-off-by: Greg Kroah-Hartman --- drivers/md/md.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7694,9 +7694,9 @@ int md_is_badblock(struct badblocks *bb, sector_t *first_bad, int *bad_sectors) { int hi; - int lo = 0; + int lo; u64 *p = bb->page; - int rv = 0; + int rv; sector_t target = s + sectors; unsigned seq; @@ -7711,7 +7711,8 @@ int md_is_badblock(struct badblocks *bb, retry: seq = read_seqbegin(&bb->lock); - + lo = 0; + rv = 0; hi = bb->count; /* Binary search between lo and hi for 'target'