linux-kernel - [PATCH net-next 4/8] net: hdlc_ppp: move out assignment in if condition

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Message-ID: <1623836037-26812-5-git-send-email-huangguangbin2@huawei.com>
Date:   Wed, 16 Jun 2021 17:33:53 +0800
From:   Guangbin Huang <huangguangbin2@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <xie.he.0141@...il.com>,
        <ms@....tdt.de>, <willemb@...gle.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lipeng321@...wei.com>, <huangguangbin2@...wei.com>
Subject: [PATCH net-next 4/8] net: hdlc_ppp: move out assignment in if condition

From: Peng Li <lipeng321@...wei.com>

Should not use assignment in if condition.

Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 drivers/net/wan/hdlc_ppp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index 8614912..fb5102c 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -375,7 +375,8 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id,
 	u8 *out;
 	unsigned int len = req_len, nak_len = 0, rej_len = 0;
 
-	if (!(out = kmalloc(len, GFP_ATOMIC))) {
+	out = kmalloc(len, GFP_ATOMIC);
+	if (!out) {
 		dev->stats.rx_dropped++;
 		return;	/* out of memory, ignore CR packet */
 	}
-- 
2.8.1