All comparison to NULL could be written "!val", convert them to make
checkpatch happy.
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
---
drivers/net/can/slcan/slcan-core.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/net/can/slcan/slcan-core.c b/drivers/net/can/slcan/slcan-core.c
index 8b3aa6215420..09f76a62c7f1 100644
--- a/drivers/net/can/slcan/slcan-core.c
+++ b/drivers/net/can/slcan/slcan-core.c
@@ -618,7 +618,7 @@ static netdev_tx_t slc_xmit(struct sk_buff *skb, struct net_device *dev)
netdev_warn(dev, "xmit: iface is down\n");
goto out;
}
- if (sl->tty == NULL) {
+ if (!sl->tty) {
spin_unlock(&sl->lock);
goto out;
}
@@ -707,7 +707,7 @@ static int slc_open(struct net_device *dev)
unsigned char cmd[SLC_MTU];
int err, s;
- if (sl->tty == NULL)
+ if (!sl->tty)
return -ENODEV;
/* The baud rate is not set with the command
@@ -834,7 +834,7 @@ static void slc_sync(void)
for (i = 0; i < maxdev; i++) {
dev = slcan_devs[i];
- if (dev == NULL)
+ if (!dev)
break;
sl = netdev_priv(dev);
@@ -854,9 +854,8 @@ static struct slcan *slc_alloc(void)
for (i = 0; i < maxdev; i++) {
dev = slcan_devs[i];
- if (dev == NULL)
+ if (!dev)
break;
-
}
/* Sorry, too many, all slots in use */
@@ -902,7 +901,7 @@ static int slcan_open(struct tty_struct *tty)
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- if (tty->ops->write == NULL)
+ if (!tty->ops->write)
return -EOPNOTSUPP;
/* RTnetlink lock is misused here to serialize concurrent
@@ -924,7 +923,7 @@ static int slcan_open(struct tty_struct *tty)
/* OK. Find a free SLCAN channel to use. */
err = -ENFILE;
sl = slc_alloc();
- if (sl == NULL)
+ if (!sl)
goto err_exit;
sl->tty = tty;
@@ -1071,7 +1070,7 @@ static void __exit slcan_exit(void)
unsigned long timeout = jiffies + HZ;
int busy = 0;
- if (slcan_devs == NULL)
+ if (!slcan_devs)
return;
/* First of all: check for active disciplines and hangup them.
--
2.35.1
