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Date:   Sat, 28 Jan 2023 20:44:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nipun Gupta <nipun.gupta@....com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, gregkh@...uxfoundation.org,
        rafael@...nel.org, eric.auger@...hat.com,
        alex.williamson@...hat.com, cohuck@...hat.com,
        song.bao.hua@...ilicon.com, mchehab+huawei@...nel.org,
        maz@...nel.org, f.fainelli@...il.com, jeffrey.l.hugo@...il.com,
        saravanak@...gle.com, Michael.Srba@...nam.cz, mani@...nel.org,
        yishaih@...dia.com, jgg@...pe.ca, jgg@...dia.com,
        robin.murphy@....com, will@...nel.org, joro@...tes.org,
        masahiroy@...nel.org, ndesaulniers@...gle.com,
        linux-arm-kernel@...ts.infradead.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, okaya@...nel.org,
        harpreet.anand@....com, nikhil.agarwal@....com
Subject: Re: [PATCH v6 5/7] cdx: add cdx controller

Hi Nipun,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20230127]
[cannot apply to masahiroy-kbuild/for-next masahiroy-kbuild/fixes robh/for-next joro-iommu/next linus/master v6.2-rc5 v6.2-rc4 v6.2-rc3 v6.2-rc5]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Nipun-Gupta/cdx-add-the-cdx-bus-driver/20230128-161622
patch link:    https://lore.kernel.org/r/20230126104630.15493-6-nipun.gupta%40amd.com
patch subject: [PATCH v6 5/7] cdx: add cdx controller
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230128/202301282010.JreX4WjQ-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/f412d73800370b8e51d1be454e651d3c4ff796a8
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Nipun-Gupta/cdx-add-the-cdx-bus-driver/20230128-161622
        git checkout f412d73800370b8e51d1be454e651d3c4ff796a8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/cdx/controller/

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

All error/warnings (new ones prefixed by >>):

   drivers/cdx/controller/cdx_controller.c: In function 'xlnx_cdx_probe':
>> drivers/cdx/controller/cdx_controller.c:102:20: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
     102 |         cdx_mcdi = kzalloc(sizeof(*cdx_mcdi), GFP_KERNEL);
         |                    ^~~~~~~
>> drivers/cdx/controller/cdx_controller.c:102:18: warning: assignment to 'struct cdx_mcdi *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     102 |         cdx_mcdi = kzalloc(sizeof(*cdx_mcdi), GFP_KERNEL);
         |                  ^
>> drivers/cdx/controller/cdx_controller.c:115:13: warning: assignment to 'struct cdx_controller *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     115 |         cdx = kzalloc(sizeof(*cdx), GFP_KERNEL);
         |             ^
>> drivers/cdx/controller/cdx_controller.c:131:9: error: implicit declaration of function 'kfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
     131 |         kfree(cdx_mcdi);
         |         ^~~~~
         |         kvfree
   cc1: some warnings being treated as errors


vim +/kzalloc +102 drivers/cdx/controller/cdx_controller.c

    95	
    96	static int xlnx_cdx_probe(struct platform_device *pdev)
    97	{
    98		struct cdx_controller *cdx;
    99		struct cdx_mcdi *cdx_mcdi;
   100		int ret;
   101	
 > 102		cdx_mcdi = kzalloc(sizeof(*cdx_mcdi), GFP_KERNEL);
   103		if (!cdx_mcdi)
   104			return -ENOMEM;
   105	
   106		/* Store the MCDI ops */
   107		cdx_mcdi->mcdi_ops = &mcdi_ops;
   108		/* MCDI FW: Initialize the FW path */
   109		ret = cdx_mcdi_init(cdx_mcdi);
   110		if (ret) {
   111			dev_err_probe(&pdev->dev, ret, "MCDI Initialization failed\n");
   112			goto mcdi_init_fail;
   113		}
   114	
 > 115		cdx = kzalloc(sizeof(*cdx), GFP_KERNEL);
   116		if (!cdx) {
   117			ret = -ENOMEM;
   118			goto cdx_alloc_fail;
   119		}
   120		platform_set_drvdata(pdev, cdx);
   121	
   122		cdx->dev = &pdev->dev;
   123		cdx->priv = cdx_mcdi;
   124		cdx->ops = &cdx_ops;
   125	
   126		return 0;
   127	
   128	cdx_alloc_fail:
   129		cdx_mcdi_finish(cdx_mcdi);
   130	mcdi_init_fail:
 > 131		kfree(cdx_mcdi);
   132	
   133		return ret;
   134	}
   135	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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