Commit 7a649737 authored Jun 07, 2016 by Minfei Huang Committed by Jens Axboe Jul 12, 2016

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 <mnghuan@gmail.com>
Reviewed-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 6eae8c45

drivers/block/loop.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;