From: Peng Li <lipeng321@huawei.com>
Date: Tue, 25 May 2021 14:07:57 +0000 (+0800)
Subject: net: wan: replace comparison to NULL with "!card"
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2aea27bae89b14e624bdc53a5e5af5a004e68058;p=linux.git

net: wan: replace comparison to NULL with "!card"

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

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c
index 2f602171cbc65..76ef808c27697 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