linux-kernel - [PATCH net-next 5/6] net: wan: replace comparison to NULL with "!card"

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Message-ID: <1621951678-23466-6-git-send-email-huangguangbin2@huawei.com>
Date:   Tue, 25 May 2021 22:07:57 +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>, <tanhuazhong@...wei.com>,
        <huangguangbin2@...wei.com>
Subject: [PATCH net-next 5/6] net: wan: replace comparison to NULL with "!card"

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

According to the chackpatch.pl, comparison to NULL could
be written "!card".

Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 drivers/net/wan/n2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index 2f602171cbc6..76ef808c2769 100644
--- a/drivers/net/wan/n2.c
+++ b/drivers/net/wan/n2.c
@@ -335,7 +335,7 @@ static int __init n2_run(unsigned long io, unsigned long irq,
 	}
 
 	card = kzalloc(sizeof(card_t), GFP_KERNEL);
-	if (card == NULL)
+	if (!card)
 		return -ENOBUFS;
 
 	card->ports[0].dev = alloc_hdlcdev(&card->ports[0]);
@@ -469,7 +469,7 @@ static int __init n2_run(unsigned long io, unsigned long irq,
 
 static int __init n2_init(void)
 {
-	if (hw==NULL) {
+	if (!hw) {
 #ifdef MODULE
 		pr_info("no card initialized\n");
 #endif
-- 
2.8.1