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nbd: share nbd_put and return by goto put_nbd

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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>
This commit is contained in:
Sun Ke 2021-05-12 19:43:31 +08:00 committed by Jens Axboe
parent 79ebe9110f
commit bedf78c4cb
1 changed files with 3 additions and 4 deletions
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7
drivers/block/nbd.c
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@ -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;
}