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net: hdlc: replace comparison to NULL with "!param"

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peng Li 2021-06-01 21:23:20 +08:00 committed by David S. Miller
parent 01506939cc
commit 387847f295
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wan/hdlc.c
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@ -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;
}