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Date:   Thu, 17 Jun 2021 15:41:32 +0300
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     "libaokun (A)" <libaokun1@huawei.com>
Cc:     kernel test robot <lkp@intel.com>, mchehab@kernel.org,
        sakari.ailus@linux.intel.com, gregkh@linuxfoundation.org,
        kaixuxia@tencent.com, gustavoars@kernel.org,
        linux-media@vger.kernel.org, linux-staging@lists.linux.dev,
        linux-kernel@vger.kernel.org, kbuild-all@lists.01.org,
        weiyongjun1@huawei.com
Subject: Re: [PATCH -next v3] media: staging: atomisp: use list_splice_init
 in atomisp_compat_css20.c
Message-ID: <YMtC/CmZeni2dD1W@smile.fi.intel.com>
References: <20210611081004.1348026-1-libaokun1@huawei.com>
 <202106171617.BN97N8mw-lkp@intel.com>
 <d39a3cb0-4024-4abe-ad28-937fee53bc98@huawei.com>
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Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
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On Thu, Jun 17, 2021 at 08:14:28PM +0800, libaokun (A) wrote:
> Sorry, I only tested it with 'x86_64.config'.
> 
> I'm about to send a patch v4 with the changes to fix the error under your
> config.

Please, do not top-post!


Problem here that you tested without additional warnings enabled.

Next time try to start with `make W=1 ...`

If you have installed Sparse tool, the better option would be
`make W=1 C=1 CF=-D__CHECK_ENDIAN__ ...`

> 在 2021/6/17 16:52, kernel test robot 写道:
> > Hi Baokun,
> > 
> > Thank you for the patch! Yet something to improve:
> > 
> > [auto build test ERROR on next-20210616]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Baokun-Li/media-staging-atomisp-use-list_splice_init-in-atomisp_compat_css20-c/20210617-043443
> > base:    c7d4c1fd91ab4a6d2620497921a9c6bf54650ab8
> > config: i386-allyesconfig (attached as .config)
> > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> > reproduce (this is a W=1 build):
> >          # https://github.com/0day-ci/linux/commit/05c714d7b4e1722a75f949e40c5305f3ba28d048
> >          git remote add linux-review https://github.com/0day-ci/linux
> >          git fetch --no-tags linux-review Baokun-Li/media-staging-atomisp-use-list_splice_init-in-atomisp_compat_css20-c/20210617-043443
> >          git checkout 05c714d7b4e1722a75f949e40c5305f3ba28d048
> >          # save the attached .config to linux build tree
> >          make W=1 ARCH=i386
> > 
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All errors (new ones prefixed by >>):
> > 
> >     drivers/staging/media/atomisp/pci/atomisp_compat_css20.c: In function 'atomisp_css_stop':
> > > > drivers/staging/media/atomisp/pci/atomisp_compat_css20.c:2156:50: error: 'struct atomisp_sub_device' has no member named 'asd'
> >      2156 |   list_splice_init(&asd->metadata_in_css[i], &asd->asd->metadata[i]);
> >           |                                                  ^~
> >     drivers/staging/media/atomisp/pci/atomisp_compat_css20.c:2157:49: error: 'struct atomisp_sub_device' has no member named 'asd'
> >      2157 |   list_splice_init(&asd->metadata_ready[i], &asd->asd->metadata[i]);
> >           |                                                 ^~
> >     drivers/staging/media/atomisp/pci/atomisp_compat_css20.c:2107:31: warning: unused variable 'md_buf' [-Wunused-variable]
> >      2107 |  struct atomisp_metadata_buf *md_buf;
> >           |                               ^~~~~~
> >     drivers/staging/media/atomisp/pci/atomisp_compat_css20.c:2106:26: warning: unused variable 'dis_buf' [-Wunused-variable]
> >      2106 |  struct atomisp_dis_buf *dis_buf;
> >           |                          ^~~~~~~

-- 
With Best Regards,
Andy Shevchenko