Hi Dafna, I love your patch! Yet something to improve: [auto build test ERROR on media-tree/master] [also build test ERROR on v5.16-rc1 next-20211115] [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] url: https://github.com/0day-ci/linux/commits/Dafna-Hirschfeld/media-videobuf2... base: git://linuxtv.org/media_tree.git master config: microblaze-randconfig-r013-20211115 (attached as .config) compiler: microblaze-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/6934ed79a3550b00a9f9a6ae14a283a59... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dafna-Hirschfeld/media-videobuf2-make-sure-bytesused-is-smaller-than-the-buffer-size/20211111-232720 git checkout 6934ed79a3550b00a9f9a6ae14a283a59a10f566 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash drivers/staging/media/meson/vdec/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/staging/media/meson/vdec/vdec_helpers.c: In function 'dst_buf_done': 279 | vb2_set_plane_payload(vbuf->vb2_buf, 0, output_size); | ~~~~^~~~~~~~~ | | | struct vb2_buffer In file included from include/media/videobuf2-v4l2.h:16, from include/media/v4l2-mem2mem.h:16, from drivers/staging/media/meson/vdec/vdec_helpers.c:8: include/media/videobuf2-core.h:1155:61: note: expected 'struct vb2_buffer *' but argument is of type 'struct vb2_buffer' 1155 | static inline void vb2_set_plane_payload(struct vb2_buffer *vb, | ~~~~~~~~~~~~~~~~~~~^~ drivers/staging/media/meson/vdec/vdec_helpers.c:280:43: error: incompatible type for argument 1 of 'vb2_set_plane_payload' 280 | vb2_set_plane_payload(vbuf->vb2_buf, 1, output_size / 2); | ~~~~^~~~~~~~~ | | | struct vb2_buffer In file included from include/media/videobuf2-v4l2.h:16, from include/media/v4l2-mem2mem.h:16, from drivers/staging/media/meson/vdec/vdec_helpers.c:8: include/media/videobuf2-core.h:1155:61: note: expected 'struct vb2_buffer *' but argument is of type 'struct vb2_buffer' 1155 | static inline void vb2_set_plane_payload(struct vb2_buffer *vb, | ~~~~~~~~~~~~~~~~~~~^~ drivers/staging/media/meson/vdec/vdec_helpers.c:283:43: error: incompatible type for argument 1 of 'vb2_set_plane_payload' 283 | vb2_set_plane_payload(vbuf->vb2_buf, 0, output_size); | ~~~~^~~~~~~~~ | | | struct vb2_buffer In file included from include/media/videobuf2-v4l2.h:16, from include/media/v4l2-mem2mem.h:16, from drivers/staging/media/meson/vdec/vdec_helpers.c:8: include/media/videobuf2-core.h:1155:61: note: expected 'struct vb2_buffer *' but argument is of type 'struct vb2_buffer' 1155 | static inline void vb2_set_plane_payload(struct vb2_buffer *vb, | ~~~~~~~~~~~~~~~~~~~^~ drivers/staging/media/meson/vdec/vdec_helpers.c:284:43: error: incompatible type for argument 1 of 'vb2_set_plane_payload' 284 | vb2_set_plane_payload(vbuf->vb2_buf, 1, output_size / 4); | ~~~~^~~~~~~~~ | | | struct vb2_buffer In file included from include/media/videobuf2-v4l2.h:16, from include/media/v4l2-mem2mem.h:16, from drivers/staging/media/meson/vdec/vdec_helpers.c:8: include/media/videobuf2-core.h:1155:61: note: expected 'struct vb2_buffer *' but argument is of type 'struct vb2_buffer' 1155 | static inline void vb2_set_plane_payload(struct vb2_buffer *vb, | ~~~~~~~~~~~~~~~~~~~^~ drivers/staging/media/meson/vdec/vdec_helpers.c:285:43: error: incompatible type for argument 1 of 'vb2_set_plane_payload' 285 | vb2_set_plane_payload(vbuf->vb2_buf, 2, output_size / 4); | ~~~~^~~~~~~~~ | | | struct vb2_buffer In file included from include/media/videobuf2-v4l2.h:16, from include/media/v4l2-mem2mem.h:16, from drivers/staging/media/meson/vdec/vdec_helpers.c:8: include/media/videobuf2-core.h:1155:61: note: expected 'struct vb2_buffer *' but argument is of type 'struct vb2_buffer' 1155 | static inline void vb2_set_plane_payload(struct vb2_buffer *vb, | ~~~~~~~~~~~~~~~~~~~^~ vim +/vb2_set_plane_payload +279 drivers/staging/media/meson/vdec/vdec_helpers.c 268 269 static void dst_buf_done(struct amvdec_session *sess, 270 struct vb2_v4l2_buffer *vbuf, 271 u32 field, u64 timestamp, 272 struct v4l2_timecode timecode, u32 flags) 273 { 274 struct device *dev = sess->core->dev_dec; 275 u32 output_size = amvdec_get_output_size(sess); 276 277 switch (sess->pixfmt_cap) { 278 case V4L2_PIX_FMT_NV12M: 280 vb2_set_plane_payload(vbuf->vb2_buf, 1, output_size / 2); 281 break; 282 case V4L2_PIX_FMT_YUV420M: 283 vb2_set_plane_payload(vbuf->vb2_buf, 0, output_size); 284 vb2_set_plane_payload(vbuf->vb2_buf, 1, output_size / 4); 285 vb2_set_plane_payload(vbuf->vb2_buf, 2, output_size / 4); 286 break; 287 } 288 289 vbuf->vb2_buf.timestamp = timestamp; 290 vbuf->sequence = sess->sequence_cap++; 291 vbuf->flags = flags; 292 vbuf->timecode = timecode; 293 294 if (sess->should_stop && 295 atomic_read(&sess->esparser_queued_bufs) <= 1) { 296 const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; 297 298 dev_dbg(dev, "Signaling EOS, sequence_cap = %u\n", 299 sess->sequence_cap - 1); 300 v4l2_event_queue_fh(&sess->fh, &ev); 301 vbuf->flags |= V4L2_BUF_FLAG_LAST; 302 } else if (sess->status == STATUS_NEEDS_RESUME) { 303 /* Mark LAST for drained show frames during a source change */ 304 vbuf->flags |= V4L2_BUF_FLAG_LAST; 305 sess->sequence_cap = 0; 306 } else if (sess->should_stop) 307 dev_dbg(dev, "should_stop, %u bufs remain\n", 308 atomic_read(&sess->esparser_queued_bufs)); 309 310 dev_dbg(dev, "Buffer %u done, ts = %llu, flags = %08X\n", 311 vbuf->vb2_buf.index, timestamp, flags); 312 vbuf->field = field; 313 v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); 314 315 /* Buffer done probably means the vififo got freed */ 316 schedule_work(&sess->esparser_queue_work); 317 } 318 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org