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From: Guangbin Huang <huangguangbin2@huawei.com>
To: <davem@davemloft.net>, <kuba@kernel.org>, <xie.he.0141@gmail.com>,
	<ms@dev.tdt.de>, <willemb@google.com>
Cc: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<lipeng321@huawei.com>, <huangguangbin2@huawei.com>
Subject: [PATCH net-next 3/9] net: lapbether: move out assignment in if condition
Date: Wed, 9 Jun 2021 17:39:49 +0800	[thread overview]
Message-ID: <1623231595-33851-4-git-send-email-huangguangbin2@huawei.com> (raw)
In-Reply-To: <1623231595-33851-1-git-send-email-huangguangbin2@huawei.com>

From: Peng Li <lipeng321@huawei.com>

Should not use assignment in if condition.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
---
 drivers/net/wan/lapbether.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index b6aef7b..e5ae043 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -116,7 +116,8 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
 	if (dev_net(dev) != &init_net)
 		goto drop;
 
-	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+	skb = skb_share_check(skb, GFP_ATOMIC);
+	if (!skb)
 		return NET_RX_DROP;
 
 	if (!pskb_may_pull(skb, 2))
@@ -137,7 +138,8 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
 	skb_pull(skb, 2);	/* Remove the length bytes */
 	skb_trim(skb, len);	/* Set the length of the data */
 
-	if ((err = lapb_data_received(lapbeth->axdev, skb)) != LAPB_OK) {
+	err = lapb_data_received(lapbeth->axdev, skb);
+	if (err != LAPB_OK) {
 		printk(KERN_DEBUG "lapbether: lapb_data_received err - %d\n", err);
 		goto drop_unlock;
 	}
@@ -219,7 +221,8 @@ static netdev_tx_t lapbeth_xmit(struct sk_buff *skb,
 
 	skb_pull(skb, 1);
 
-	if ((err = lapb_data_request(dev, skb)) != LAPB_OK) {
+	err = lapb_data_request(dev, skb);
+	if (err != LAPB_OK) {
 		pr_err("lapb_data_request error - %d\n", err);
 		goto drop;
 	}
@@ -327,7 +330,8 @@ static int lapbeth_open(struct net_device *dev)
 
 	napi_enable(&lapbeth->napi);
 
-	if ((err = lapb_register(dev, &lapbeth_callbacks)) != LAPB_OK) {
+	err = lapb_register(dev, &lapbeth_callbacks);
+	if (err != LAPB_OK) {
 		pr_err("lapb_register error: %d\n", err);
 		return -ENODEV;
 	}
@@ -348,7 +352,8 @@ static int lapbeth_close(struct net_device *dev)
 	lapbeth->up = false;
 	spin_unlock_bh(&lapbeth->up_lock);
 
-	if ((err = lapb_unregister(dev)) != LAPB_OK)
+	err = lapb_unregister(dev);
+	if (err != LAPB_OK)
 		pr_err("lapb_unregister error: %d\n", err);
 
 	napi_disable(&lapbeth->napi);
-- 
2.8.1


  parent reply	other threads:[~2021-06-09  9:43 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-09  9:39 [PATCH net-next 0/9] net: lapbether: clean up some code style issues Guangbin Huang
2021-06-09  9:39 ` [PATCH net-next 1/9] net: lapbether: remove redundant blank line Guangbin Huang
2021-06-09  9:39 ` [PATCH net-next 2/9] net: lapbether: add blank line after declarations Guangbin Huang
2021-06-09  9:39 ` Guangbin Huang [this message]
2021-06-09  9:39 ` [PATCH net-next 4/9] net: lapbether: remove trailing whitespaces Guangbin Huang
2021-06-09  9:39 ` [PATCH net-next 5/9] net: lapbether: remove unnecessary out of memory message Guangbin Huang
2021-06-09  9:39 ` [PATCH net-next 6/9] net: lapbether: fix the comments style issue Guangbin Huang
2021-06-09  9:39 ` [PATCH net-next 7/9] net: lapbether: replace comparison to NULL with "lapbeth_get_x25_dev" Guangbin Huang
2021-06-09  9:39 ` [PATCH net-next 8/9] net: lapbether: fix the alignment issue Guangbin Huang
2021-06-09  9:39 ` [PATCH net-next 9/9] net: lapbether: fix the code style issue about line length Guangbin Huang
2021-06-09 21:20 ` [PATCH net-next 0/9] net: lapbether: clean up some code style issues patchwork-bot+netdevbpf

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