s390/qeth: clean up a magic number in the OAT callback

Use the correct struct member instead of hardcoding its offset.

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 2020-07-14 16:23:02 +02:00 • committed by David S. Miller
commit f7ec2d2a92