The patch below does not apply to the 3.0-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From ab05613a0646dcc11049692d54bae76ca9ffa910 Mon Sep 17 00:00:00 2001 From: majianpeng <[email protected]> Date: Tue, 6 Nov 2012 17:13:44 +0800 Subject: [PATCH] md: Reassigned the parameters if read_seqretry returned true in func md_is_badblock. This bug was introduced by commit(v3.0-rc7-126-g2230dfe). So fix is suitable for 3.0.y thru 3.6.y. Cc: [email protected] Signed-off-by: Jianpeng Ma <[email protected]> Signed-off-by: NeilBrown <[email protected]> diff --git a/drivers/md/md.c b/drivers/md/md.c index 9ab768a..14db6ab 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7936,9 +7936,9 @@ 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; @@ -7953,7 +7953,8 @@ 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' -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
