[dm-devel] [PATCH 1/2] dm bufio: add missed destroy of client's mutex
Aliaksei Karaliou
akaraliou.dev at gmail.com
Sat Dec 23 10:27:03 UTC 2017
dm_bufio_client_destroy() does not destroy dm_bufio_client->lock.
dm_bufio_client_create() does not do that on fallback path too.
Signed-off-by: Aliaksei Karaliou <akaraliou.dev at gmail.com>
---
drivers/md/dm-bufio.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index c546b567f3b5..1c661d4c211c 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1767,6 +1767,7 @@ struct dm_bufio_client *dm_bufio_client_create(struct block_device *bdev, unsign
}
dm_io_client_destroy(c->dm_io);
bad_dm_io:
+ mutex_destroy(&c->lock);
kfree(c);
bad_client:
return ERR_PTR(r);
@@ -1811,6 +1812,7 @@ void dm_bufio_client_destroy(struct dm_bufio_client *c)
BUG_ON(c->n_buffers[i]);
dm_io_client_destroy(c->dm_io);
+ mutex_destroy(&c->lock);
kfree(c);
}
EXPORT_SYMBOL_GPL(dm_bufio_client_destroy);
--
2.11.0
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