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Date:   Wed, 18 Jul 2018 16:54:57 +0200 (CEST)
From:   Julia Lawall <julia.lawall@lip6.fr>
To:     matthias.bgg@kernel.org
cc:     ulrich.hecht+renesas@gmail.com, laurent.pinchart@ideasonboard.com,
        ck.hu@mediatek.com, p.zabel@pengutronix.de, airlied@linux.ie,
        robh+dt@kernel.org, mark.rutland@arm.com, mturquette@baylibre.com,
        sboyd@codeaurora.org, lee.jones@linaro.org, sean.wang@mediatek.com,
        gregkh@linuxfoundation.org, rdunlap@infradead.org,
        linux@armlinux.org.uk, dri-devel@lists.freedesktop.org,
        linux-clk@vger.kernel.org, Matthias Brugger <mbrugger@suse.com>,
        linux-mediatek@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, matthias.bgg@gmail.com,
        mchehab@kernel.org, pi-cheng.chen@linaro.org, davem@davemloft.net,
        linux-kernel@vger.kernel.org, kbuild-all@01.org
Subject: Re: [resend PATCH v4 2/5] clk: mediatek: mt2701-mmsys: switch to
 platform device probing (fwd)
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Please check on whether the kfree is still needed.

julia

---------- Forwarded message ----------
Date: Wed, 18 Jul 2018 22:03:48 +0800
From: kbuild test robot <lkp@intel.com>
To: kbuild@01.org
Cc: Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [resend PATCH v4 2/5] clk: mediatek: mt2701-mmsys: switch to
    platform device probing

In-Reply-To: <20180717220328.792-3-matthias.bgg@kernel.org>
References: <20180717220328.792-3-matthias.bgg@kernel.org>
TO: matthias.bgg@kernel.org

Hi Matthias,

I love your patch! Perhaps something to improve:

[auto build test WARNING on sof-driver-fuweitax/master]
[also build test WARNING on v4.18-rc5 next-20180718]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/matthias-bgg-kernel-org/arm-arm64-mediatek-Fix-mmsys-device-probing/20180718-191916
base:   https://github.com/fuweitax/linux master
:::::: branch date: 3 hours ago
:::::: commit date: 3 hours ago

>> drivers/clk/mediatek/clk-mt2701-mm.c:128:1-6: WARNING: invalid free of devm_ allocated data

# https://github.com/0day-ci/linux/commit/555e11caac5f7729e8927939046adbfa2264f9f5
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 555e11caac5f7729e8927939046adbfa2264f9f5
vim +128 drivers/clk/mediatek/clk-mt2701-mm.c

e98621182 Shunli Wang      2016-11-04  122
555e11caa Matthias Brugger 2018-07-18  123  static int clk_mt2701_mm_remove(struct platform_device *pdev)
555e11caa Matthias Brugger 2018-07-18  124  {
555e11caa Matthias Brugger 2018-07-18  125  	struct clk_mt2701_mm_priv *private = platform_get_drvdata(pdev);
555e11caa Matthias Brugger 2018-07-18  126
555e11caa Matthias Brugger 2018-07-18  127  	kfree(private->clk_data);
555e11caa Matthias Brugger 2018-07-18 @128  	kfree(private);
555e11caa Matthias Brugger 2018-07-18  129
555e11caa Matthias Brugger 2018-07-18  130  	return 0;
555e11caa Matthias Brugger 2018-07-18  131  }
555e11caa Matthias Brugger 2018-07-18  132

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