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>
This commit is contained in:
Marc Kleine-Budde 2019-08-27 21:11:17 +02:00
commit f59d7824bf