diff options
| author | Mike Snitzer <snitzer@redhat.com> | 2014-03-28 02:15:02 -0400 |
|---|---|---|
| committer | Show Liu <show.liu@linaro.org> | 2014-06-18 11:43:06 +0800 |
| commit | eb198a9706bbe99603fad0854e502447fa70ef62 (patch) | |
| tree | 95587d3e5ebe4b2fd9dcd88924efd7c4c08d94c4 /drivers | |
| parent | dca8bee55e673b4d4ac06fbaa7815efdfd86b250 (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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -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 be70d38745f..60cc50685c1 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1392,9 +1392,9 @@ 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; } |