lkml.org 
[lkml]   [2012]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 121/241] md: Reassigned the parameters if read_seqretry returned true in func md_is_badblock.
Date
3.5.7.2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: majianpeng <majianpeng@gmail.com>

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 <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
drivers/md/md.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 6fc0c26..e977874 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7960,9 +7960,9 @@ int md_is_badblock(struct badblocks *bb, sector_t s, int sectors,
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;

@@ -7977,7 +7977,8 @@ int md_is_badblock(struct badblocks *bb, sector_t s, int sectors,

retry:
seq = read_seqbegin(&bb->lock);
-
+ lo = 0;
+ rv = 0;
hi = bb->count;

/* Binary search between lo and hi for 'target'
--
1.7.9.5


\
 
 \ /
  Last update: 2012-12-13 16:01    [W:0.424 / U:2.620 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site