linux-kernel - Re: [PATCH v3 01/11] media: videobuf2: Access vb2_queue bufs array through helper functions

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Date:   Fri, 23 Jun 2023 23:10:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        mchehab@...nel.org, tfiga@...omium.org, m.szyprowski@...sung.com,
        ming.qian@....com, ezequiel@...guardiasur.com.ar,
        p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
        hverkuil-cisco@...all.nl, nicolas.dufresne@...labora.com
Cc:     oe-kbuild-all@...ts.linux.dev, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev,
        kernel@...labora.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: Re: [PATCH v3 01/11] media: videobuf2: Access vb2_queue bufs array
 through helper functions

Hi Benjamin,

kernel test robot noticed the following build errors:

[auto build test ERROR on media-tree/master]
[also build test ERROR on linus/master v6.4-rc7 next-20230623]
[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/Benjamin-Gaignard/media-videobuf2-Access-vb2_queue-bufs-array-through-helper-functions/20230622-214122
base:   git://linuxtv.org/media_tree.git master
patch link:    https://lore.kernel.org/r/20230622131349.144160-2-benjamin.gaignard%40collabora.com
patch subject: [PATCH v3 01/11] media: videobuf2: Access vb2_queue bufs array through helper functions
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230623/202306232218.dOcWboPB-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230623/202306232218.dOcWboPB-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306232218.dOcWboPB-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/staging/media/atomisp/pci/atomisp_ioctl.c: In function 'atomisp_dqbuf_wrapper':
>> drivers/staging/media/atomisp/pci/atomisp_ioctl.c:1080:33: error: incompatible type for argument 1 of 'vb2_get_buffer'
    1080 |         vb = vb2_get_buffer(pipe->vb_queue, buf->index);
         |                             ~~~~^~~~~~~~~~
         |                                 |
         |                                 struct vb2_queue
   In file included from include/media/videobuf2-v4l2.h:16,
                    from drivers/staging/media/atomisp//pci/ia_css_frame_public.h:23,
                    from drivers/staging/media/atomisp/pci/sh_css_legacy.h:22,
                    from drivers/staging/media/atomisp/pci/atomisp_internal.h:34,
                    from drivers/staging/media/atomisp/pci/atomisp_cmd.h:30,
                    from drivers/staging/media/atomisp/pci/atomisp_ioctl.c:27:
   include/media/videobuf2-core.h:1239:67: note: expected 'struct vb2_queue *' but argument is of type 'struct vb2_queue'
    1239 | static inline struct vb2_buffer *vb2_get_buffer(struct vb2_queue *q,
         |                                                 ~~~~~~~~~~~~~~~~~~^


vim +/vb2_get_buffer +1080 drivers/staging/media/atomisp/pci/atomisp_ioctl.c

  1065	
  1066	static int atomisp_dqbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer *buf)
  1067	{
  1068		struct video_device *vdev = video_devdata(file);
  1069		struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
  1070		struct atomisp_sub_device *asd = pipe->asd;
  1071		struct atomisp_device *isp = video_get_drvdata(vdev);
  1072		struct ia_css_frame *frame;
  1073		struct vb2_buffer *vb;
  1074		int ret;
  1075	
  1076		ret = vb2_ioctl_dqbuf(file, fh, buf);
  1077		if (ret)
  1078			return ret;
  1079	
> 1080		vb = vb2_get_buffer(pipe->vb_queue, buf->index);
  1081		frame = vb_to_frame(vb);
  1082	
  1083		buf->reserved = asd->frame_status[buf->index];
  1084	
  1085		/*
  1086		 * Hack:
  1087		 * Currently frame_status in the enum type which takes no more lower
  1088		 * 8 bit.
  1089		 * use bit[31:16] for exp_id as it is only in the range of 1~255
  1090		 */
  1091		buf->reserved &= 0x0000ffff;
  1092		if (!(buf->flags & V4L2_BUF_FLAG_ERROR))
  1093			buf->reserved |= frame->exp_id;
  1094		buf->reserved2 = pipe->frame_config_id[buf->index];
  1095	
  1096		dev_dbg(isp->dev,
  1097			"dqbuf buffer %d (%s) with exp_id %d, isp_config_id %d\n",
  1098			buf->index, vdev->name, buf->reserved >> 16, buf->reserved2);
  1099		return 0;
  1100	}
  1101	

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