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SubjectRe: [PATCH v5] vcodec: mediatek: Add g/s_selection support for V4L2 Encoder
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
[unhandled content-type:application/octet-stream]
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