diff options
author | Mike Snitzer <snitzer@redhat.com> | 2014-03-28 02:15:02 -0400 |
---|---|---|
committer | Jiri Slaby <jslaby@suse.cz> | 2014-05-15 09:56:14 +0200 |
commit | 170012684d66273720f9a8a2f815e65d376da3e1 (patch) | |
tree | d25722fa5d7d7f8135b22d6da13392819875c3f2 /drivers/md | |
parent | 8038ee15c63c16a64c7ee412bc7dc442ee962f6c (diff) |
dm thin: fix dangling bio in process_deferred_bios error path
commit fe76cd88e654124d1431bb662a0fc6e99ca811a5 upstream.
If unable to ensure_next_mapping() we must add the current bio, which
was removed from the @bios list via bio_list_pop, back to the
deferred_bios list before all the remaining @bios.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-thin.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index e9587101b04..e4cc196634c 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1332,9 +1332,9 @@ static void process_deferred_bios(struct pool *pool) */ if (ensure_next_mapping(pool)) { spin_lock_irqsave(&pool->lock, flags); + bio_list_add(&pool->deferred_bios, bio); bio_list_merge(&pool->deferred_bios, &bios); spin_unlock_irqrestore(&pool->lock, flags); - break; } |