linux-kernel - Re: [PATCH v17 05/10] clk: Add Sunplus SP7021 clock driver

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Date:   Sun, 12 Jun 2022 18:43:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Qin Jian <qinjian@...lus1.com>, sboyd@...nel.org
Cc:     kbuild-all@...ts.01.org, krzysztof.kozlowski+dt@...aro.org,
        robh+dt@...nel.org, mturquette@...libre.com, linux@...linux.org.uk,
        arnd@...db.de, olof@...om.net, soc@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Qin Jian <qinjian@...lus1.com>
Subject: Re: [PATCH v17 05/10] clk: Add Sunplus SP7021 clock driver

Hi Qin,

I love your patch! Perhaps something to improve:

[auto build test WARNING on pza/reset/next]
[also build test WARNING on robh/for-next clk/clk-next tip/irq/core linus/master v5.19-rc1 next-20220610]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Qin-Jian/Add-Sunplus-SP7021-SoC-Support/20220607-100746
base:   https://git.pengutronix.de/git/pza/linux reset/next
config: microblaze-randconfig-c024-20220612 (https://download.01.org/0day-ci/archive/20220612/202206121806.C2ECo2lB-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 11.3.0

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>


cocci warnings: (new ones prefixed by >>)
>> drivers/clk/clk-sp7021.c:584:2-7: WARNING: invalid free of devm_ allocated data

vim +584 drivers/clk/clk-sp7021.c

   550	
   551	static struct clk_hw *sp_pll_register(struct device *dev, const char *name,
   552					      const struct clk_parent_data *parent_data,
   553					      void __iomem *reg, int pd_bit, int bp_bit,
   554					      unsigned long brate, int shift, int width,
   555					      unsigned long flags)
   556	{
   557		struct sp_pll *pll;
   558		struct clk_hw *hw;
   559		struct clk_init_data initd = {
   560			.name = name,
   561			.parent_data = parent_data,
   562			.ops = (bp_bit >= 0) ? &sp_pll_ops : &sp_pll_sub_ops,
   563			.num_parents = 1,
   564			.flags = flags,
   565		};
   566		int ret;
   567	
   568		pll = devm_kzalloc(dev, sizeof(*pll), GFP_KERNEL);
   569		if (!pll)
   570			return ERR_PTR(-ENOMEM);
   571	
   572		pll->hw.init = &initd;
   573		pll->reg = reg;
   574		pll->pd_bit = pd_bit;
   575		pll->bp_bit = bp_bit;
   576		pll->brate = brate;
   577		pll->div_shift = shift;
   578		pll->div_width = width;
   579		spin_lock_init(&pll->lock);
   580	
   581		hw = &pll->hw;
   582		ret = devm_clk_hw_register(dev, hw);
   583		if (ret) {
 > 584			kfree(pll);
   585			return ERR_PTR(ret);
   586		}
   587	
   588		return hw;
   589	}
   590	

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