s390/qeth: modernize two list helpers

Replace list_for_each() with list_for_each_entry(), and
list_entry(head.next) with list_first_entry().

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2020-03-25 10:35:07 +01:00 • committed by David S. Miller
commit bb59c8a89a