linux-kernel - Re: [PATCH net V2] bonding: send igmp report for its master

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Date:	Wed, 14 Mar 2012 21:58:46 +0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Weiping Pan <panweiping3@...il.com>
CC:	fubar@...ibm.com, andy@...yhouse.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net V2] bonding: send igmp report for its master

On 03/14/2012 11:37 AM, Weiping Pan wrote:
> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
> index 435984a..300c490 100644
> --- a/drivers/net/bonding/bond_main.c
> +++ b/drivers/net/bonding/bond_main.c
> @@ -794,6 +794,14 @@ static void bond_resend_igmp_join_requests_delayed(struct work_struct *work)
>   {
>   	struct bonding *bond = container_of(work, struct bonding,
>   					    mcast_work.work);
> +	struct net_device *bond_dev, *master_dev = NULL;
> +	bond_dev = bond->dev;

IIRC, you need to hold read_lock for this...

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