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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index c80d32c04833..0d18a719ded9 100644
--- 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;
         }