nbd: don't leak nbd_config

idryomov · axboe · commit fa9765323a93 · 2017-05-30T08:15:08.000-06:00
nbd_config is allocated in nbd_alloc_config(), but never freed. Fixes: 5ea8d10 ("nbd: separate out the config information") Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
@@ -1021,6 +1021,7 @@ static void nbd_config_put(struct nbd_device *nbd)
 			}
 			kfree(config->socks);
 		}
+		kfree(nbd->config);
 		nbd->config = NULL;
 
 		nbd->tag_set.timeout = 0;

Original file line number	Diff line number	Diff line change
`@@ -1021,6 +1021,7 @@ static void nbd_config_put(struct nbd_device *nbd)`
`1021`	`1021`	`}`
`1022`	`1022`	`kfree(config->socks);`
`1023`	`1023`	`}`
	`1024`	`+ kfree(nbd->config);`
`1024`	`1025`	`nbd->config = NULL;`
`1025`	`1026`
`1026`	`1027`	`nbd->tag_set.timeout = 0;`