[Nbd] [PATCH] nbd: don't leak nbd_config

[Ilya Dryomov <idryomov@...17...>]

nbd_config is allocated in nbd_alloc_config(), but never freed.

Fixes: 5ea8d10802ec ("nbd: separate out the config information")
Signed-off-by: Ilya Dryomov <idryomov@...17...>
---
 drivers/block/nbd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9a7bb2c29447..882fb9efbab1 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -940,6 +940,7 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg)
 /* Reset all properties of an NBD device */
 static void nbd_reset(struct nbd_device *nbd)
 {
+	kfree(nbd->config);
 	nbd->config = NULL;
 	nbd->tag_set.timeout = 0;
 	queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue);
-- 
2.4.3