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[PATCH] s390: fix arp_tbl lock usage in qeth

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qeth: bhs must be disabled when accessing neighbour tables.

=================================
[ INFO: inconsistent lock state ]

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Heiko Carstens 2006-08-14 23:00:27 -07:00 committed by Jeff Garzik
parent 239e44e1f0
commit 3d8f3f3c36
1 changed files with 4 additions and 4 deletions
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8
drivers/s390/net/qeth_main.c
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@ -8510,9 +8510,9 @@ static int
qeth_ipv6_init(void)
{
qeth_old_arp_constructor = arp_tbl.constructor;
write_lock(&arp_tbl.lock);
write_lock_bh(&arp_tbl.lock);
arp_tbl.constructor = qeth_arp_constructor;
write_unlock(&arp_tbl.lock);
write_unlock_bh(&arp_tbl.lock);
arp_direct_ops = (struct neigh_ops*)
kmalloc(sizeof(struct neigh_ops), GFP_KERNEL);
@ -8528,9 +8528,9 @@ qeth_ipv6_init(void)
static void
qeth_ipv6_uninit(void)
{
write_lock(&arp_tbl.lock);
write_lock_bh(&arp_tbl.lock);
arp_tbl.constructor = qeth_old_arp_constructor;
write_unlock(&arp_tbl.lock);
write_unlock_bh(&arp_tbl.lock);
kfree(arp_direct_ops);
}
#endif /* CONFIG_QETH_IPV6 */