netdev - Re: [PATCH] net: inet_diag -- Return error code if protocol handler is missed

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Date:	Sun, 04 Nov 2012 05:39:19 +0400
From:	Pavel Emelyanov <xemul@...allels.com>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
CC:	NETDEV <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [PATCH] net: inet_diag -- Return error code if protocol handler
 is missed

On 11/03/2012 11:30 PM, Cyrill Gorcunov wrote:
> We've observed that in case if UDP diag module is not
> supported in kernel the netlink returns NLMSG_DONE without
> notifying a caller that handler is missed.
> 
> This patch makes __inet_diag_dump to return error code instead.
> 
> So as example it become possible to detect such situation
> and handle it gracefully on userspace level.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>
> CC: David Miller <davem@...emloft.net>
> CC: Eric Dumazet <eric.dumazet@...il.com>
> CC: Pavel Emelyanov <xemul@...allels.com>

Acked-by: Pavel Emelyanov <xemul@...allels.com>
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