qeth: change checksumming default for HiperSockets

Deactivate inbound checksumming on HiperSocket is a valid but
dangerous optimization in case the frame is routed from an OSA
network to an HiperSockets network. To go for sure we change the
default to software checksumming.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 834830a..c9f5af5 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1114,8 +1114,6 @@
 	card->ipato.enabled = 0;
 	card->ipato.invert4 = 0;
 	card->ipato.invert6 = 0;
-	if (card->info.type == QETH_CARD_TYPE_IQD)
-		card->options.checksum_type = NO_CHECKSUMMING;
 	/* init QDIO stuff */
 	qeth_init_qdio_info(card);
 	return 0;