Commit 4d341d82 authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm: return earlier from dm_blk_ioctl if target doesn't implement .ioctl 



No point checking if the device is suspended if the current target
doesn't even implement .ioctl

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 5ec02084

drivers/md/dm.c

+3 −2
Original line number Diff line number Diff line
@@ -525,13 +525,14 @@ retry: 
		goto out;



	tgt = dm_table_get_target(map, 0);

	if (!tgt->type->ioctl)

		goto out;



	if (dm_suspended_md(md)) {

		r = -EAGAIN;

		goto out;

	}



	if (tgt->type->ioctl)

	r = tgt->type->ioctl(tgt, cmd, arg);



out: