md/raid5: small tidyup in raid5_align_endio

Diving through ->queue to find mddev is unnecessarily complex - there
is an easier path to finding mddev, so use that.

Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 020143d..7bfeba3 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3713,10 +3713,10 @@ static void raid5_align_endio(struct bio *bi, int error)
 
        bio_put(bi);
 
-       mddev = raid_bi->bi_bdev->bd_disk->queue->queuedata;
-       conf = mddev->private;
        rdev = (void*)raid_bi->bi_next;
        raid_bi->bi_next = NULL;
+       mddev = rdev->mddev;
+       conf = mddev->private;
 
        rdev_dec_pending(rdev, conf->mddev);