tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69b41ac87e4a664de78a395ff97166f0b2943210 commit: 2023a99811110aebba9eee4aa09ef7bd21a8a249 media: platform: rename mediatek/mtk-jpeg/ to mediatek/jpeg/ config: ia64-randconfig-m041-20230101 compiler: ia64-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Reported-by: Dan Carpenter <error27@xxxxxxxxx> smatch warnings: drivers/media/platform/mediatek/vcodec/venc/venc_h264_if.c:467 h264_encode_frame() warn: missing error code? 'ret' vim +/ret +467 drivers/media/platform/mediatek/vcodec/venc/venc_h264_if.c 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 435 static int h264_encode_frame(struct venc_h264_inst *inst, 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 436 struct venc_frm_buf *frm_buf, 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 437 struct mtk_vcodec_mem *bs_buf, 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 438 unsigned int *bs_size) 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 439 { 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 440 int ret = 0; 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 441 unsigned int irq_status; 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 442 struct venc_frame_info frame_info; 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 443 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 444 mtk_vcodec_debug_enter(inst); 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 445 mtk_vcodec_debug(inst, "frm_cnt = %d\n ", inst->frm_cnt); 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 446 frame_info.frm_count = inst->frm_cnt; 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 447 frame_info.skip_frm_count = inst->skip_frm_cnt; 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 448 frame_info.frm_type = h264_frame_type(inst); 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 449 mtk_vcodec_debug(inst, "frm_count = %d,skip_frm_count =%d,frm_type=%d.\n", 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 450 frame_info.frm_count, frame_info.skip_frm_count, 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 451 frame_info.frm_type); 10d0f56800b313 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Dafna Hirschfeld 2021-10-22 452 ret = vpu_enc_encode(&inst->vpu_inst, H264_BS_MODE_FRAME, frm_buf, bs_buf, &frame_info); 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 453 if (ret) 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 454 return ret; 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 455 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 456 /* 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 457 * skip frame case: The skip frame buffer is composed by vpu side only, 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 458 * it does not trigger the hw, so skip the wait interrupt operation. 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 459 */ 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 460 if (inst->vpu_inst.state == VEN_IPI_MSG_ENC_STATE_SKIP) { 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 461 *bs_size = inst->vpu_inst.bs_size; 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 462 memcpy(bs_buf->va, 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 463 inst->work_bufs[VENC_H264_VPU_WORK_BUF_SKIP_FRAME].va, 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 464 *bs_size); 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 465 ++inst->frm_cnt; 0dc4b328612579 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Yunfei Dong 2020-08-21 466 ++inst->skip_frm_cnt; 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 @467 return ret; This seems intentional. Just do "return 0;" here to make the code more readable. 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 468 } 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 469 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 470 irq_status = h264_enc_wait_venc_done(inst); 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 471 if (irq_status != MTK_VENC_IRQ_STATUS_FRM) { 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 472 mtk_vcodec_err(inst, "irq_status=%d failed", irq_status); 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 473 return -EIO; 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 474 } 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 475 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 476 *bs_size = h264_read_reg(inst, VENC_PIC_BITSTREAM_BYTE_CNT); 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 477 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 478 ++inst->frm_cnt; 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 479 mtk_vcodec_debug(inst, "frm %d bs_size %d key_frm %d <-", 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 480 inst->frm_cnt, *bs_size, inst->vpu_inst.is_key_frm); 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 481 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 482 return ret; Here too. 2cc93862d4840f drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c Tiffany Lin 2016-05-03 483 } -- 0-DAY CI Kernel Test Service https://01.org/lkp