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>, <tanhuazhong@huawei.com>,
<huangguangbin2@huawei.com>
Subject: [PATCH net-next 5/7] net: hdlc: replace comparison to NULL with "!param"
Date: Tue, 1 Jun 2021 21:23:20 +0800 [thread overview]
Message-ID: <1622553802-19903-6-git-send-email-huangguangbin2@huawei.com> (raw)
In-Reply-To: <1622553802-19903-1-git-send-email-huangguangbin2@huawei.com>
From: Peng Li <lipeng321@huawei.com>
According to the chackpatch.pl, comparison to NULL could
be written "!param".
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
---
drivers/net/wan/hdlc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index 13388ba..fefc732 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -148,7 +148,7 @@ int hdlc_open(struct net_device *dev)
hdlc->carrier, hdlc->open);
#endif
- if (hdlc->proto == NULL)
+ if (!hdlc->proto)
return -ENOSYS; /* no protocol attached */
if (hdlc->proto->open) {
@@ -284,7 +284,7 @@ int attach_hdlc_protocol(struct net_device *dev, struct hdlc_proto *proto,
if (size) {
dev_to_hdlc(dev)->state = kmalloc(size, GFP_KERNEL);
- if (dev_to_hdlc(dev)->state == NULL) {
+ if (!dev_to_hdlc(dev)->state) {
module_put(proto->module);
return -ENOBUFS;
}
--
2.8.1
next prev parent reply other threads:[~2021-06-01 13:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-01 13:23 [PATCH net-next 0/7] net: hdlc: clean up some code style issues Guangbin Huang
2021-06-01 13:23 ` [PATCH net-next 1/7] net: hdlc: remove redundant blank lines Guangbin Huang
2021-06-01 13:23 ` [PATCH net-next 2/7] net: hdlc: add blank line after declarations Guangbin Huang
2021-06-01 13:23 ` [PATCH net-next 3/7] net: hdlc: fix an code style issue about "foo* bar" Guangbin Huang
2021-06-01 13:23 ` [PATCH net-next 4/7] net: hdlc: fix an code style issue about EXPORT_SYMBOL(foo) Guangbin Huang
2021-06-01 13:23 ` Guangbin Huang [this message]
2021-06-01 13:23 ` [PATCH net-next 6/7] net: hdlc: move out assignment in if condition Guangbin Huang
2021-06-01 13:23 ` [PATCH net-next 7/7] net: hdlc: add braces {} to all arms of the statement Guangbin Huang
2021-06-02 0:10 ` [PATCH net-next 0/7] net: hdlc: clean up some code style issues patchwork-bot+netdevbpf
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