* Re: [PATCH 09/26] media: v4l2-dev: Add video_device_context_from_file()
[not found] <20250717-multicontext-mainline-2025-v1-9-81ac18979c03@ideasonboard.com>
@ 2025-07-18 9:33 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-07-18 9:33 UTC (permalink / raw)
To: Jacopo Mondi, Sakari Ailus, Laurent Pinchart, Tomi Valkeinen,
Kieran Bingham, Nicolas Dufresne, Mauro Carvalho Chehab,
Tomasz Figa, Marek Szyprowski, Raspberry Pi Kernel Maintenance,
Florian Fainelli, Broadcom internal kernel review list,
Hans Verkuil
Cc: llvm, oe-kbuild-all, linux-media, linux-kernel, linux-rpi-kernel,
linux-arm-kernel, Jacopo Mondi
Hi Jacopo,
kernel test robot noticed the following build warnings:
[auto build test WARNING on d968e50b5c26642754492dea23cbd3592bde62d8]
url: https://github.com/intel-lab-lkp/linux/commits/Jacopo-Mondi/media-mc-Add-per-file-handle-data-support/20250717-190546
base: d968e50b5c26642754492dea23cbd3592bde62d8
patch link: https://lore.kernel.org/r/20250717-multicontext-mainline-2025-v1-9-81ac18979c03%40ideasonboard.com
patch subject: [PATCH 09/26] media: v4l2-dev: Add video_device_context_from_file()
config: x86_64-buildonly-randconfig-004-20250718 (https://download.01.org/0day-ci/archive/20250718/202507181702.W5iinHRF-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250718/202507181702.W5iinHRF-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507181702.W5iinHRF-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/media/v4l2-core/v4l2-dev.c:1184:1: warning: no previous prototype for function 'video_device_context_from_file' [-Wmissing-prototypes]
1184 | video_device_context_from_file(struct file *filp, struct video_device *vfd)
| ^
drivers/media/v4l2-core/v4l2-dev.c:1183:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
1183 | struct video_device_context *
| ^
| static
1 warning generated.
vim +/video_device_context_from_file +1184 drivers/media/v4l2-core/v4l2-dev.c
1182
1183 struct video_device_context *
> 1184 video_device_context_from_file(struct file *filp, struct video_device *vfd)
1185 {
1186 struct v4l2_fh *vfh =
1187 test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? filp->private_data
1188 : NULL;
1189
1190 /* If the file handle has been bound to a context return it. */
1191 if (vfh && vfh->context)
1192 return vfh->context;
1193
1194 return vfd->default_context;
1195 }
1196 EXPORT_SYMBOL_GPL(video_device_context_from_file);
1197
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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[not found] <20250717-multicontext-mainline-2025-v1-9-81ac18979c03@ideasonboard.com>
2025-07-18 9:33 ` [PATCH 09/26] media: v4l2-dev: Add video_device_context_from_file() kernel test robot
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