netdev - [PATCH -next] connector: simplify the return expression of cn_add

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Message-ID: <20200921131006.91100-1-miaoqinglang@huawei.com>
Date:   Mon, 21 Sep 2020 21:10:06 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     "David S. Miller" <davem@...emloft.net>
CC:     Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next] connector: simplify the return expression of cn_add_callback()

Simplify the return expression.

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 drivers/connector/connector.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 2d22d6bf5..7d59d18c6 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -197,17 +197,12 @@ int cn_add_callback(struct cb_id *id, const char *name,
 		    void (*callback)(struct cn_msg *,
 				     struct netlink_skb_parms *))
 {
-	int err;
 	struct cn_dev *dev = &cdev;
 
 	if (!cn_already_initialized)
 		return -EAGAIN;
 
-	err = cn_queue_add_callback(dev->cbdev, name, id, callback);
-	if (err)
-		return err;
-
-	return 0;
+	return cn_queue_add_callback(dev->cbdev, name, id, callback);
 }
 EXPORT_SYMBOL_GPL(cn_add_callback);
 
-- 
2.23.0