Commit 18776c73 authored Nov 13, 2008 by Mikulas Patocka Committed by Alasdair G Kergon Nov 13, 2008

dm raid1: flush workqueue before destruction



We queue work on keventd queue --- so this queue must be flushed in the
destructor. Otherwise, keventd could access mirror_set after it was freed.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: stable@kernel.org

parent 4ffaf869

drivers/md/dm-raid1.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1032,6 +1032,7 @@ static void mirror_dtr(struct dm_target *ti)

		del_timer_sync(&ms->timer);
		flush_workqueue(ms->kmirrord_wq);
		flush_scheduled_work();
		dm_kcopyd_client_destroy(ms->kcopyd_client);
		destroy_workqueue(ms->kmirrord_wq);
		free_context(ms, ti, ms->nr_mirrors);