s390/qeth: robustify qeth_get_ip_version()

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Instead of assuming that skb->data points to the Ethernet header, use
the right helper and struct to access the Ethertype field.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Julian Wiedmann 2017-12-20 20:11:03 +01:00 • committed by David S. Miller

parent 00c163f142

commit 19e36da61a

1 changed files with 8 additions and 6 deletions

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14

drivers/s390/net/qeth_core.h

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