linux-kernel - Re: [PATCH] tipc: compat: allow tipc commands without arguments

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Message-Id: <20190801.181508.657295078853071495.davem@davemloft.net>
Date:   Thu, 01 Aug 2019 18:15:08 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     takondra@...co.com
Cc:     jon.maloy@...csson.com, ying.xue@...driver.com,
        netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, xe-linux-external@...co.com,
        stable@...r.kernel.org
Subject: Re: [PATCH] tipc: compat: allow tipc commands without arguments

From: Taras Kondratiuk <takondra@...co.com>
Date: Mon, 29 Jul 2019 22:15:07 +0000

> Commit 2753ca5d9009 ("tipc: fix uninit-value in tipc_nl_compat_doit")
> broke older tipc tools that use compat interface (e.g. tipc-config from
> tipcutils package):
 ...
> This patch relaxes the original fix and rejects messages without
> arguments only if such arguments are expected by a command (reg_type is
> non zero).
> 
> Fixes: 2753ca5d9009 ("tipc: fix uninit-value in tipc_nl_compat_doit")
> Signed-off-by: Taras Kondratiuk <takondra@...co.com>
> ---
> The patch is based on v5.3-rc2.

Applied and queued up for -stable.