[PATCH v6 2/2] nbd: share nbd_put and return by goto put_nbd

[Sun Ke]

Replace the following two statements by the statement “goto put_nbd;”

        nbd_put(nbd);
        return 0;

Suggested-by: Markus Elfring <markus.elfr...@web.de>
Signed-off-by: Sun Ke <sunk...@huawei.com>
---
 drivers/block/nbd.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 403c1e1fe748..10cbb5caad07 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -2027,12 +2027,11 @@ static int nbd_genl_disconnect(struct sk_buff *skb, 
struct genl_info *info)
                return -EINVAL;
        }
        mutex_unlock(&nbd_index_mutex);
-       if (!refcount_inc_not_zero(&nbd->config_refs)) {
-               nbd_put(nbd);
-               return 0;
-       }
+       if (!refcount_inc_not_zero(&nbd->config_refs))
+               goto put_nbd;
        nbd_disconnect_and_put(nbd);
        nbd_config_put(nbd);
+put_nbd:
        nbd_put(nbd);
        return 0;
 }
-- 
2.25.4