Hi Benjamin, kernel test robot noticed the following build errors: [auto build test ERROR on next-20230824] [also build test ERROR on v6.5-rc7] [cannot apply to linus/master v6.5-rc7 v6.5-rc6 v6.5-rc5] [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-Rework-offset-cookie-encoding-pattern/20230824-172416 base: next-20230824 patch link: https://lore.kernel.org/r/20230824092133.39510-11-benjamin.gaignard%40collabora.com patch subject: [PATCH v5 10/10] media: v4l2: Add mem2mem helpers for DELETE_BUFS ioctl config: i386-randconfig-r033-20230825 (https://download.01.org/0day-ci/archive/20230825/202308252057.jcyaKKOJ-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce: (https://download.01.org/0day-ci/archive/20230825/202308252057.jcyaKKOJ-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308252057.jcyaKKOJ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/media/test-drivers/vim2m.c:963:23: error: use of undeclared identifier 'v4l2_m2m_ioctl_delete_buf'; did you mean 'v4l2_m2m_ioctl_delete_bufs'? .vidioc_delete_buf = v4l2_m2m_ioctl_delete_buf, ^~~~~~~~~~~~~~~~~~~~~~~~~ v4l2_m2m_ioctl_delete_bufs include/media/v4l2-mem2mem.h:873:5: note: 'v4l2_m2m_ioctl_delete_bufs' declared here int v4l2_m2m_ioctl_delete_bufs(struct file *file, void *priv, ^ >> drivers/media/test-drivers/vim2m.c:963:3: error: field designator 'vidioc_delete_buf' does not refer to any field in type 'const struct v4l2_ioctl_ops'; did you mean 'vidioc_delete_bufs'? .vidioc_delete_buf = v4l2_m2m_ioctl_delete_buf, ^~~~~~~~~~~~~~~~~ vidioc_delete_bufs include/media/v4l2-ioctl.h:427:8: note: 'vidioc_delete_bufs' declared here int (*vidioc_delete_bufs)(struct file *file, void *fh, ^ 2 errors generated. vim +963 drivers/media/test-drivers/vim2m.c 942 943 static const struct v4l2_ioctl_ops vim2m_ioctl_ops = { 944 .vidioc_querycap = vidioc_querycap, 945 946 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 947 .vidioc_enum_framesizes = vidioc_enum_framesizes, 948 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 949 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 950 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 951 952 .vidioc_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, 953 .vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out, 954 .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out, 955 .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, 956 957 .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, 958 .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, 959 .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, 960 .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, 961 .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, 962 .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, > 963 .vidioc_delete_buf = v4l2_m2m_ioctl_delete_buf, 964 .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, 965 966 .vidioc_streamon = v4l2_m2m_ioctl_streamon, 967 .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, 968 969 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 970 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 971 }; 972 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki