smatch complains that __qeth_l3_set_offline() first accesses card->dev,
and then later checks whether the pointer is valid.
Since commit 
d3d1b205e89f ("s390/qeth: allocate netdevice early"), the
pointer is _always_ valid - that patch merely missed to remove this one
check.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
        rtnl_unlock();
 
        qeth_l3_stop_card(card);
-       if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) {
+       if (card->options.cq == QETH_CQ_ENABLED) {
                rtnl_lock();
                call_netdevice_notifiers(NETDEV_REBOOT, card->dev);
                rtnl_unlock();