md: Reassigned the parameters if read_seqretry returned true in func md_is_badblock.
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 529ce89..2b399da 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7694,9 +7694,9 @@
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 @@
retry:
seq = read_seqbegin(&bb->lock);
-
+ lo = 0;
+ rv = 0;
hi = bb->count;
/* Binary search between lo and hi for 'target'