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From: Stephen Hemminger <shemminger@vyatta.com>
To: Benjamin Thery <benjamin.thery@bull.net>
Cc: Dave Miller <davem@davemloft.net>, netdev hem <netdev@vger.kernel.org>
Subject: Re: [PATCH] net: fix /proc/net/ip_mr_cache display
Date: Mon, 1 Dec 2008 09:33:41 -0800	[thread overview]
Message-ID: <20081201093341.537bf03d@extreme> (raw)
In-Reply-To: <493415B4.7020600@bull.net>

On Mon, 01 Dec 2008 17:49:56 +0100
Benjamin Thery <benjamin.thery@bull.net> wrote:

> Argh, my patch breaks iproute2 command: ip mroute show
> 
> iproute2 uses sscanf() to read /proc/net/ip_mr_cache and expects 6
> fields to be read. For the unresolved entries my patch only displays
> the first three fields. As a consequence, 'ip mroute show' skips the
> unresolved entries. :(
> 
> So we can
> - either forget this patch and keep displaying garbage information
>    in /proc/net/ip[6]_mr_cache for the unresolved entries. (No one
>    complained before)
> - or may be we can just print '-' or 0 for the fields that have no
>    data associated in the unresolved case.
> 
> Tell me what you prefer.
> 
> Benjamin

/proc file formats are part of the Linux ABI and can't change!

  reply	other threads:[~2008-12-01 17:33 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-01 16:02 [PATCH] net: fix /proc/net/ip_mr_cache display Benjamin Thery
2008-12-01 16:49 ` Benjamin Thery
2008-12-01 17:33   ` Stephen Hemminger [this message]
2008-12-01 20:17     ` Benjamin Thery 
2008-12-02 23:03       ` David Miller
2008-12-03 13:48         ` Benjamin Thery
2008-12-03 14:35           ` [PATCH 1/2] net: fix /proc/net/ip_mr_cache display - V2 Benjamin Thery
2008-12-04  6:21             ` David Miller
2008-12-03 14:35           ` [PATCH 2/2] net: /proc/net/ip_mr_cache, display Iif as a signed short Benjamin Thery
2008-12-04  6:22             ` David Miller

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