From 7a6497378ae832daa1668a10be04ebdacd60468b Mon Sep 17 00:00:00 2001 From: Minfei Huang Date: Tue, 7 Jun 2016 10:05:15 +0800 Subject: [PATCH] loop: Make user notify for adding loop device failed There is no error number returned if loop driver fails in function alloc_disk to add new loop device. Add a correct error number to make user notify in this case. Signed-off-by: Minfei Huang Reviewed-by: Ming Lei Reviewed-by: Jeff Moyer Signed-off-by: Jens Axboe --- drivers/block/loop.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 364d491d4bdd..075377eee0c0 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1765,6 +1765,7 @@ static int loop_add(struct loop_device **l, int i) */ queue_flag_set_unlocked(QUEUE_FLAG_NOMERGES, lo->lo_queue); + err = -ENOMEM; disk = lo->lo_disk = alloc_disk(1 << part_shift); if (!disk) goto out_free_queue; -- 2.39.5