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Date:	Thu, 19 Jun 2008 19:09:21 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	wangchen@...fujitsu.com
Cc:	netdev@...r.kernel.org, kaber@...sh.net
Subject: Re: [PATCH net-next 6/8] ipv4: Check return of dev_set_allmulti

From: Wang Chen <wangchen@...fujitsu.com>
Date: Fri, 20 Jun 2008 08:55:32 +0800

> @@ -435,7 +436,10 @@ static int vif_add(struct vifctl *vifc, int mrtsock)
>  	if ((in_dev = __in_dev_get_rtnl(dev)) == NULL)
>  		return -EADDRNOTAVAIL;
>  	IPV4_DEVCONF(in_dev->cnf, MC_FORWARDING)++;
> -	dev_set_allmulti(dev, +1);
> +	/* Check whether allmulti overflow */
> +	err = dev_set_allmulti(dev, 1);
> +	if (err)
> +		return err;

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