From: Sun Ke <sunke32@huawei.com>
Date: Wed, 12 May 2021 11:43:31 +0000 (+0800)
Subject: nbd: share nbd_put and return by goto put_nbd
X-Git-Tag: howlett/maple/20220722_2~3141^2~4
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bedf78c4cbbbb65e42ede5ca2bd21887ef5b7060;p=users%2Fjedix%2Flinux-maple.git

nbd: share nbd_put and return by goto put_nbd

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

	nbd_put(nbd);
	return 0;

Signed-off-by: Sun Ke <sunke32@huawei.com>
Suggested-by: Markus Elfring <Markus.Elfring@web.de>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Link: https://lore.kernel.org/r/20210512114331.1233964-3-sunke32@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 974da561b8e5..45d2c28c8fc8 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -2015,12 +2015,11 @@ 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;
 }