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s390/qeth: fix setting VIPA address 

commit 5f78e29cee ("qeth: optimize IP handling in rx_mode callback")
restructured the internal address handling.
This work broke setting a virtual IP address.
The command
echo 10.1.1.1 > /sys/bus/ccwgroup/devices/<device>/vipa/add4
fails with file exist error even if the IP address has not
been set before.

It turned out that the search result for the IP address
search is handled incorrectly in the VIPA case.

This patch fixes the setting of an virtual IP address.

Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Richter 2016-09-15 14:39:27 +02:00 committed by David S. Miller
parent 5722963a8e
commit 732a59cb6e
1 changed files with 2 additions and 2 deletions
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4
drivers/s390/net/qeth_l3_main.c
View File

@ -701,7 +701,7 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
spin_lock_bh(&card->ip_lock);
if (!qeth_l3_ip_from_hash(card, ipaddr))
if (qeth_l3_ip_from_hash(card, ipaddr))
rc = -EEXIST;
else
qeth_l3_add_ip(card, ipaddr);
@ -769,7 +769,7 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
spin_lock_bh(&card->ip_lock);
if (!qeth_l3_ip_from_hash(card, ipaddr))
if (qeth_l3_ip_from_hash(card, ipaddr))
rc = -EEXIST;
else
qeth_l3_add_ip(card, ipaddr);