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s390/qeth: fix using of ref counter for rxip addresses 

IP-address setting and removal are delayed when the device is not yet in
state SOFTSETUP or UP. ref_counter has been implemented only for
ip-address with type normal. In this patch ref_counter logic is also used
for ip-address with type rxip to allow appropriate handling of multiple
postponed rxip add and del calls.

Signed-off-by: Kittipon Meesompop <kmeesomp@linux.vnet.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero-colors
Kittipon Meesompop 2017-08-15 17:02:50 +02:00 committed by David S. Miller
parent ea4ae35a82
commit cb816192d9
1 changed files with 5 additions and 3 deletions
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8
drivers/s390/net/qeth_l3_main.c
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@ -247,7 +247,8 @@ int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
return -ENOENT;
addr->ref_counter--;
if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0)
if (addr->ref_counter > 0 && (addr->type == QETH_IP_TYPE_NORMAL ||
addr->type == QETH_IP_TYPE_RXIP))
return rc;
if (addr->in_progress)
return -EINPROGRESS;
@ -329,8 +330,9 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr)
kfree(addr);
}
} else {
if (addr->type == QETH_IP_TYPE_NORMAL)
addr->ref_counter++;
if (addr->type == QETH_IP_TYPE_NORMAL ||
addr->type == QETH_IP_TYPE_RXIP)
addr->ref_counter++;
}
return rc;