can: dev: can_restart(): convert NULL pointer check

This patch converts the NULL pointer check in can_restart() form "skb ==
NULL" to "!skb".

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index c80d32c..0d18a71 100644 (file)
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -552,7 +552,7 @@ static void can_restart(struct net_device *dev)
 
        /* send restart message upstream */
        skb = alloc_can_err_skb(dev, &cf);
-       if (skb == NULL) {
+       if (!skb) {
                err = -ENOMEM;
                goto restart;
        }