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Subject[PATCH 3.19.y-ckt 142/155] md/raid10: submit_bio_wait() returns 0 on success
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3.19.8-ckt10 -stable review patch.  If anyone has any objections, please let me know.

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

From: Jes Sorensen <Jes.Sorensen@redhat.com>

commit 681ab4696062f5aa939c9e04d058732306a97176 upstream.

This was introduced with 9e882242c6193ae6f416f2d8d8db0d9126bd996b
which changed the return value of submit_bio_wait() to return != 0 on
error, but didn't update the caller accordingly.

Fixes: 9e882242c6 ("block: Add submit_bio_wait(), remove from md")
Reported-by: Bill Kuzeja <William.Kuzeja@stratus.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
drivers/md/raid10.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 17eb767..644f9e5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2599,7 +2599,7 @@ static int narrow_write_error(struct r10bio *r10_bio, int i)
choose_data_offset(r10_bio, rdev) +
(sector - r10_bio->sector));
wbio->bi_bdev = rdev->bdev;
- if (submit_bio_wait(WRITE, wbio) == 0)
+ if (submit_bio_wait(WRITE, wbio) < 0)
/* Failure! */
ok = rdev_set_badblocks(rdev, sector,
sectors, 0)
--
1.9.1


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