From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@vyatta.com>
Subject: Re: [PATCH] forcedeth: reconfigure multicast packet filter only
 when needed
Date: Sat, 9 Oct 2010 11:32:13 -0700
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Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	davem@davemloft.net, aabdulla@nvidia.com, ditto@google.com
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On Sat, 9 Oct 2010 13:26:05 +0200
Jind=C5=99ich Makovi=C4=8Dka <makovick@gmail.com> wrote:

> +
> +	/* current packet filter state */
> +	u32 cur_pff;
> +	u32 cur_addr[2];
> +	u32 cur_mask[2];
>  };

No big deal, but couldn't you just put those temporary variables
on the stack. and reread the current value before stopping.

--=20