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| author | Mike Snitzer <snitzer@redhat.com> | 2014-03-28 02:15:02 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2014-03-28 14:37:02 -0400 |
| commit | fe76cd88e654124d1431bb662a0fc6e99ca811a5 (patch) | |
| tree | 27c8b0ae2d86c8ed1acf1ce2df8621ec6b7807f1 /drivers/md | |
| parent | a356e42620271deb5afb6570606154d160783bba (diff) | |
| download | linux-fe76cd88e654124d1431bb662a0fc6e99ca811a5.tar.gz linux-fe76cd88e654124d1431bb662a0fc6e99ca811a5.tar.bz2 linux-fe76cd88e654124d1431bb662a0fc6e99ca811a5.zip | |
dm thin: fix dangling bio in process_deferred_bios error path
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>
Cc: stable@vger.kernel.org
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 be70d38745f7..60cc50685c14 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; } |