netdev - Re: [PATCH] bonding:delete a dereference before check

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Date:	Mon, 13 Jun 2011 15:11:01 -0700
From:	Jay Vosburgh <fubar@...ibm.com>
To:	Weiping Pan <panweiping3@...il.com>
cc:	error27@...il.com,
	Andy Gospodarek (supporter:BONDING DRIVER) <andy@...yhouse.net>,
	netdev@...r.kernel.org (open list:BONDING DRIVER),
	linux-kernel@...r.kernel.org (open list)
Subject: Re: [PATCH] bonding:delete a dereference before check

Weiping Pan <panweiping3@...il.com> wrote:

>Dan Carpenter found that there was a dereference before a check,
>added in 56d00c677de0(bonding:delete lacp_fast from ad_bond_info).
>
>Signed-off-by: Weiping Pan <panweiping3@...il.com>

Signed-off-by: Jay Vosburgh <fubar@...ibm.com>

	-J

> drivers/net/bonding/bond_3ad.c |    3 +--
> 1 files changed, 1 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
>index 6122725..77da2e8 100644
>--- a/drivers/net/bonding/bond_3ad.c
>+++ b/drivers/net/bonding/bond_3ad.c
>@@ -1900,7 +1900,6 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution)
> int bond_3ad_bind_slave(struct slave *slave)
> {
> 	struct bonding *bond = bond_get_bond_by_slave(slave);
>-	int lacp_fast = bond->params.lacp_fast;
> 	struct port *port;
> 	struct aggregator *aggregator;
>
>@@ -1916,7 +1915,7 @@ int bond_3ad_bind_slave(struct slave *slave)
> 		// port initialization
> 		port = &(SLAVE_AD_INFO(slave).port);
>
>-		ad_initialize_port(port, lacp_fast);
>+		ad_initialize_port(port, bond->params.lacp_fast);
>
> 		port->slave = slave;
> 		port->actor_port_number = SLAVE_AD_INFO(slave).id;
>-- 
>1.7.4.4
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