md/raid10: minor code improvement in fix_read_error()

rdev already holds conf->mirrors[d].rdev, so no need to load it again.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index e644f6f..7a8bfe2 100644 (file)
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2262,7 +2262,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
                printk(KERN_NOTICE
                       "md/raid10:%s: %s: Failing raid device\n",
                       mdname(mddev), b);
-               md_error(mddev, conf->mirrors[d].rdev);
+               md_error(mddev, rdev);
                r10_bio->devs[r10_bio->read_slot].bio = IO_BLOCKED;
                return;
        }