linux-kernel - Re: [PATCH] fix ifnullfree.cocci warnings

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Message-ID: <20180814140344.GB5810@sirena.org.uk>
Date:   Tue, 14 Aug 2018 15:03:44 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Julia Lawall <julia.lawall@...6.fr>
Cc:     Wu Zhigang <zhigang.wu@...ux.intel.com>, kbuild-all@...org,
        sof-ci-monitor@...ists.intel.com,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>,
        Pan Xiuli <xiuli.pan@...ux.intel.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fix ifnullfree.cocci warnings

On Tue, Aug 14, 2018 at 12:57:57PM +0200, Julia Lawall wrote:
> From: kbuild test robot <fengguang.wu@...el.com>
> 
>  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
> 
> Fixes: 0099cc17a399 ("ASoC:topology:avoid error log and oops during topology free.")

This doesn't apply against current code, please check and resend (the
above commit isn't in my tree:

$ git show 0099cc17a399
fatal: ambiguous argument '0099cc17a399': unknown revision or path not in the working tree.

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