Thread (9 messages) flat view 9 messages, 2 authors, 2021-06-02
STALE1912d

[PATCH net-next 5/7] net: hdlc: replace comparison to NULL with "!param"

From: Guangbin Huang <hidden>
Date: 2021-06-01 13:26:39
Also in: lkml
Subsystem: generic hdlc (wan) drivers, networking drivers, the rest · Maintainers: Krzysztof Halasa, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Peng Li <redacted>

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

Signed-off-by: Peng Li <redacted>
Signed-off-by: Guangbin Huang <redacted>
---
 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
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help