From e0a8114c034cf8012565c5d56dd90967023cc724 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Wed, 7 Mar 2012 02:06:28 +0000 Subject: qeth: meaningful return code for set_mac_address Setting an invalid mac-address for a qeth layer2 device returns with a strange error code: # ip link set hsi1 address 00:00:00:00:00:01 RTNETLINK answers: Unknown error 18446744073709486085 Problem is caused by wrong usage of the return_code field within structure qeth_ipa_cmd. With this patch the ip command above returns SIOCSIFHWADDR: Invalid argument Signed-off-by: Ursula Braun Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/qeth_l2_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/s390/net/qeth_l2_main.c') diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index e5c9cf15e5c6..0e7c29d1d7ef 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -576,7 +576,6 @@ static int qeth_l2_send_setmac_cb(struct qeth_card *card, default: break; } - cmd->hdr.return_code = -EIO; } else { card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; memcpy(card->dev->dev_addr, cmd->data.setdelmac.mac, @@ -605,7 +604,6 @@ static int qeth_l2_send_delmac_cb(struct qeth_card *card, cmd = (struct qeth_ipa_cmd *) data; if (cmd->hdr.return_code) { QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code); - cmd->hdr.return_code = -EIO; return 0; } card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; @@ -682,7 +680,7 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p) rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); if (!rc) rc = qeth_l2_send_setmac(card, addr->sa_data); - return rc; + return rc ? -EINVAL : 0; } static void qeth_l2_set_multicast_list(struct net_device *dev) -- cgit v1.2.3