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authorMikulas Patocka <mpatocka@redhat.com>2008-11-13 18:38:52 -0500
committerAlasdair G Kergon <agk@redhat.com>2008-11-13 18:38:52 -0500
commit18776c7316545482a02bfaa2629a2aa1afc48357 (patch)
treeecd30db869eff5968921af7df8f055794ed3730f /drivers/md
parent4ffaf869c7780bbdfc11291e5fd4b61dde662b1c (diff)
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
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-raid1.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 9d7b53ed75b2..ec43f9fa4b2a 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1032,6 +1032,7 @@ static void mirror_dtr(struct dm_target *ti)
1032 1032
1033 del_timer_sync(&ms->timer); 1033 del_timer_sync(&ms->timer);
1034 flush_workqueue(ms->kmirrord_wq); 1034 flush_workqueue(ms->kmirrord_wq);
1035 flush_scheduled_work();
1035 dm_kcopyd_client_destroy(ms->kcopyd_client); 1036 dm_kcopyd_client_destroy(ms->kcopyd_client);
1036 destroy_workqueue(ms->kmirrord_wq); 1037 destroy_workqueue(ms->kmirrord_wq);
1037 free_context(ms, ti, ms->nr_mirrors); 1038 free_context(ms, ti, ms->nr_mirrors);