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X-IronPort-AV: E=McAfee;i="6500,9779,10610"; a="309258051" X-IronPort-AV: E=Sophos;i="5.97,272,1669104000"; d="scan'208";a="309258051" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2023 22:53:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10610"; a="774582804" X-IronPort-AV: E=Sophos;i="5.97,272,1669104000"; d="scan'208";a="774582804" Received: from lkp-server01.sh.intel.com (HELO 4455601a8d94) ([10.239.97.150]) by fmsmga002.fm.intel.com with ESMTP; 03 Feb 2023 22:53:40 -0800 Received: from kbuild by 4455601a8d94 with local (Exim 4.96) (envelope-from ) id 1pOCQZ-00017H-0V; Sat, 04 Feb 2023 06:53:35 +0000 Date: Sat, 4 Feb 2023 14:53:15 +0800 From: kernel test robot To: Ammar Faizi , GNU/Weeb Mailing List Cc: oe-kbuild-all@lists.linux.dev Subject: [ammarfaizi2-block:google/android/kernel/common/android13-5.15-arcvm 115/138] drivers/media/virtio/virtio_video_device.c:801:37: warning: variable 'out_prev_min_buffs' set but not used Message-ID: <202302041403.ipr42zHg-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit List-Id: Hi Bartłomiej, FYI, the error/warning still remains. tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.15-arcvm head: 573344b8d137d3584c918c7efa8d4b949d0414d4 commit: d2fdccc2068350260263ab52734dbb0a7871673f [115/138] CHROMIUM: drivers: media: virtio: send EVENT_CTRL when CID_MIN_BUFFERS_FOR_* changes config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230204/202302041403.ipr42zHg-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/d2fdccc2068350260263ab52734dbb0a7871673f git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.15-arcvm git checkout d2fdccc2068350260263ab52734dbb0a7871673f # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/media/virtio/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/media/virtio/virtio_video_device.c: In function 'virtio_video_update_params': >> drivers/media/virtio/virtio_video_device.c:801:37: warning: variable 'out_prev_min_buffs' set but not used [-Wunused-but-set-variable] 801 | int ret, in_prev_min_buffs, out_prev_min_buffs; | ^~~~~~~~~~~~~~~~~~ vim +/out_prev_min_buffs +801 drivers/media/virtio/virtio_video_device.c 794 795 int virtio_video_update_params(struct virtio_video *vv, 796 struct virtio_video_stream *stream, 797 struct video_format_info *in_info, 798 struct video_format_info *out_info) 799 { 800 struct virtio_video_device *vvd = to_virtio_vd(stream->video_dev); > 801 int ret, in_prev_min_buffs, out_prev_min_buffs; 802 bool is_encoder; 803 804 in_prev_min_buffs = stream->in_info.min_buffers; 805 out_prev_min_buffs = stream->out_info.min_buffers; 806 807 if (in_info) { 808 ret = virtio_video_cmd_set_params(vv, stream, in_info, 809 VIRTIO_VIDEO_QUEUE_TYPE_INPUT); 810 if (ret) 811 return ret; 812 } 813 if (out_info) { 814 ret = virtio_video_cmd_set_params(vv, stream, out_info, 815 VIRTIO_VIDEO_QUEUE_TYPE_OUTPUT); 816 if (ret) 817 return ret; 818 } 819 820 ret = virtio_video_cmd_get_params(vv, stream, 821 VIRTIO_VIDEO_QUEUE_TYPE_INPUT); 822 if (ret) 823 return ret; 824 ret = virtio_video_cmd_get_params(vv, stream, 825 VIRTIO_VIDEO_QUEUE_TYPE_OUTPUT); 826 if (ret) 827 return ret; 828 829 is_encoder = vvd->type == VIRTIO_VIDEO_DEVICE_ENCODER; 830 if (is_encoder && in_prev_min_buffs != stream->in_info.min_buffers) 831 virtio_video_queue_ctrl_event(stream, 832 V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 833 stream->in_info.min_buffers, 834 V4L2_EVENT_CTRL_CH_VALUE); 835 if (!is_encoder && in_prev_min_buffs != stream->out_info.min_buffers) 836 virtio_video_queue_ctrl_event(stream, 837 V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 838 stream->out_info.min_buffers, 839 V4L2_EVENT_CTRL_CH_VALUE); 840 841 return 0; 842 } 843 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests