netdev - Re: v4 [PATCH 2/9] bonding: Check return of dev_set

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Date:	Mon, 14 Jul 2008 20:51:44 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	wangchen@...fujitsu.com
Cc:	kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: v4 [PATCH 2/9] bonding: Check return of
 dev_set_promiscuity/allmulti

From: Wang Chen <wangchen@...fujitsu.com>
Date: Tue, 15 Jul 2008 10:59:16 +0800

> dev_set_promiscuity/allmulti might overflow.
> Commit: "netdevice: Fix promiscuity and allmulti overflow" in net-next makes
> dev_set_promiscuity/allmulti return error number if overflow happened.
> 
> In bond_alb and bond_main, we check all positive increment for promiscuity
> and allmulti to get error return.
> But there are still two problems left.
> 1. Some code path has no mechanism to signal errors upstream.
> 2. If there are multi slaves, it's hard to tell which slaves increment
>    promisc/allmulti successfully and which failed.
> So I left these problems to be FIXME.
> Fortunately, the overflow is very rare case.
> 
> Signed-off-by: Wang Chen <wangchen@...fujitsu.com>

Applied.
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