Commit 75e0de13 authored Jul 22, 2010 by Carsten Otte Committed by David S. Miller Jul 23, 2010

qeth: Clear mac_bits field when switching between Layer 2 and Layer 3



This patch fixes a problem that occurs when switching from layer 3 to layer 2
mode. Resetting this mac_bits makes sure that we retrieve our mac address from
the card, otherwise the interface simply would'nt work.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 6298263a

drivers/s390/net/qeth_core_sys.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -433,6 +433,7 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
		if (card->options.layer2 == newdis)
		goto out;
		else {
		card->info.mac_bits = 0;
		if (card->discipline.ccwgdriver) {
		card->discipline.ccwgdriver->remove(card->gdev);
		qeth_core_free_discipline(card);