From mboxrd@z Thu Jan  1 00:00:00 1970
From: roopa <roopa@cumulusnetworks.com>
Subject: Re: [PATCH] ipv6: fix ifnullfree.cocci warnings
Date: Wed, 09 Sep 2015 22:08:52 -0700
Message-ID: <55F11064.6090309@cumulusnetworks.com>
References: <201509100609.fhjHrskx%fengguang.wu@intel.com> <20150909225712.GA6796@lkp-nex05>
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Cc: kbuild-all@01.org,
	Nikolay Aleksandrov <nikolay@cumulusnetworks.com>,
	netdev@vger.kernel.org, Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	James Morris <jmorris@namei.org>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	Patrick McHardy <kaber@trash.net>, linux-kernel@vger.kernel.org
To: kbuild test robot <fengguang.wu@intel.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20150909225712.GA6796@lkp-nex05>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

On 9/9/15, 3:57 PM, kbuild test robot wrote:
> net/ipv6/route.c:2946:3-8: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values.
>
>   NULL check before some freeing functions is not needed.
>
>   Based on checkpatch warning
>   "kfree(NULL) is safe this check is probably not required"
>   and kfreeaddr.cocci by Julia Lawall.
>
> Generated by: scripts/coccinelle/free/ifnullfree.cocci
>
> CC: Roopa Prabhu <roopa@cumulusnetworks.com>
> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
>
FWIW, Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>