netdev - [PATCH 2/7] bonding: fix ASSERT_RTNL that produces spurious warnings

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Message-Id: <12006159071917-git-send-email-fubar@us.ibm.com>
Date:	Thu, 17 Jan 2008 16:24:58 -0800
From:	Jay Vosburgh <fubar@...ibm.com>
To:	netdev@...r.kernel.org
Cc:	Jeff Garzik <jgarzik@...ox.com>,
	David Miller <davem@...emloft.net>,
	Andy Gospodarek <andy@...yhouse.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jay Vosburgh <fubar@...ibm.com>
Subject: [PATCH 2/7] bonding: fix ASSERT_RTNL that produces spurious warnings

	Move an ASSERT_RTNL down to where we should hold only RTNL;
the existing check produces spurious warnings because we hold additional
locks at _bh, tripping a debug warning in spin_lock_mutex().

Signed-off-by: Jay Vosburgh <fubar@...ibm.com>
---
 drivers/net/bonding/bond_alb.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 25b8dbf..9b55a12 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1601,9 +1601,6 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
 	struct slave *swap_slave;
 	int i;
 
-	if (new_slave)
-		ASSERT_RTNL();
-
 	if (bond->curr_active_slave == new_slave) {
 		return;
 	}
@@ -1649,6 +1646,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
 	write_unlock_bh(&bond->curr_slave_lock);
 	read_unlock(&bond->lock);
 
+	ASSERT_RTNL();
+
 	/* curr_active_slave must be set before calling alb_swap_mac_addr */
 	if (swap_slave) {
 		/* swap mac address */
-- 
1.5.3.4.206.g58ba4-dirty

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