Hi Tiffany, [auto build test WARNING on linuxtv-media/master] [also build test WARNING on v4.8-rc1 next-20160812] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Tiffany-Lin/vcodec-mediatek-Add-g-s_selection-support-for-V4L2-Encoder/20160812-221617 base: git://linuxtv.org/media_tree.git master config: mips-allyesconfig (attached as .config) compiler: mips-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All warnings (new ones prefixed by >>): drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c: In function 'vidioc_venc_s_selection': >> drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c:673:6: warning: unused variable 'err' [-Wunused-variable] int err; ^ vim +/err +673 drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c 657 s->r.left = 0; 658 s->r.width = q_data->visible_width; 659 s->r.height = q_data->visible_height; 660 break; 661 default: 662 return -EINVAL; 663 } 664 665 return 0; 666 } 667 668 static int vidioc_venc_s_selection(struct file *file, void *priv, 669 struct v4l2_selection *s) 670 { 671 struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); 672 struct mtk_q_data *q_data; > 673 int err; 674 675 if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 676 return -EINVAL; 677 678 q_data = mtk_venc_get_q_data(ctx, s->type); 679 if (!q_data) 680 return -EINVAL; 681 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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