5bf490e680
Wait until the QDIO data connection is severed. Otherwise the device might still be processing the buffers, and end up accessing skb data that we already freed. Fixes: 8b5026bc1693 ("s390/qeth: fix qdio teardown after early init error") Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>