From 3d8f3f3c3697a7603a802427c9226f5dfe6d67ad Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 14 Aug 2006 23:00:27 -0700
Subject: [PATCH] s390: fix arp_tbl lock usage in qeth
qeth: bhs must be disabled when accessing neighbour tables.
=================================
[ INFO: inconsistent lock state ]
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/s390/net/qeth_main.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
(limited to 'drivers/s390/net')
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 5fff1f93973..e1327b8fce0 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -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 */
--
cgit