diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index ad032518fdc00981b344dc5c1c98880defd79095..0d5d0ff2c0f7beb47a02bd4692273b31369b2bc5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -499,7 +499,7 @@ static void raid10_end_write_request(struct bio *bio, int error)
 	 */
 	one_write_done(r10_bio);
 	if (dec_rdev)
-		rdev_dec_pending(conf->mirrors[dev].rdev, conf->mddev);
+		rdev_dec_pending(rdev, conf->mddev);
 }
 
 /*