[kbuild-all] [intel-linux-intel-lts:5.10/yocto 13/14] drivers/media/i2c/imx390.c:724:21: sparse: sparse: Using plain integer as NULL pointer

tree: https://github.com/intel/linux-intel-lts.git 5.10/yocto head: 3ebd33d042d488ba5ca3a11f7520a6084793ba13 commit: 1a1b0ad359afd4d118fc6a546f7b52eed25b9211 [13/14] media: imx390: add dummpy v4l2 CID config: alpha-randconfig-s031-20210813 (attached as .config) compiler: alpha-linux-gcc (GCC) 10.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-348-gf0e6938b-dirty # https://github.com/intel/linux-intel-lts/commit/1a1b0ad359afd4d118fc6a546... git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-linux-intel-lts 5.10/yocto git checkout 1a1b0ad359afd4d118fc6a546f7b52eed25b9211 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash drivers/media/i2c/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/media/i2c/imx390.c:493:9: sparse: sparse: mixing declarations and code drivers/media/i2c/imx390.c:1144:13: sparse: sparse: symbol 'imx390_threaded_irq_fn' was not declared. Should it be static? vim +724 drivers/media/i2c/imx390.c 640 641 static int imx390_init_controls(struct imx390 *imx390) 642 { 643 struct v4l2_ctrl_handler *ctrl_hdlr; 644 s64 hblank; 645 int ret; 646 struct v4l2_ctrl_config cfg = { 0 }; 647 648 ctrl_hdlr = &imx390->ctrl_handler; 649 ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8); 650 if (ret) 651 return ret; 652 653 ctrl_hdlr->lock = &imx390->mutex; 654 imx390->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx390_ctrl_ops, 655 V4L2_CID_LINK_FREQ, 656 ARRAY_SIZE(link_freq_menu_items) - 1, 657 0, link_freq_menu_items); 658 if (imx390->link_freq) 659 imx390->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 660 661 imx390->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, 662 V4L2_CID_VBLANK, 663 0, 664 IMX390_VTS_MAX - imx390->cur_mode->height, 1, 665 imx390->cur_mode->vts_def - imx390->cur_mode->height); 666 667 imx390->gain = v4l2_ctrl_new_std( 668 ctrl_hdlr, 669 &imx390_ctrl_ops, 670 V4L2_CID_GAIN, IMX390_GAIN_MIN, 671 IMX390_DGTL_GAIN_MAX * IMX390_ANAL_GAIN_MAX, 1, 672 IMX390_GAIN_DEFAULT); 673 674 imx390->analogue_gain = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, 675 IMX390_ANAL_GAIN_MIN, IMX390_ANAL_GAIN_MAX, 676 IMX390_ANAL_GAIN_STEP, IMX390_ANAL_GAIN_DEFAULT); 677 678 imx390->digital_gain = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, V4L2_CID_DIGITAL_GAIN, 679 IMX390_DGTL_GAIN_MIN, IMX390_DGTL_GAIN_MAX, 680 IMX390_DGTL_GAIN_STEP, IMX390_DGTL_GAIN_DEFAULT); 681 682 imx390->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, 683 V4L2_CID_EXPOSURE, 684 IMX390_EXPOSURE_MIN, 685 IMX390_EXPOSURE_MAX, 686 IMX390_EXPOSURE_STEP, 687 IMX390_EXPOSURE_DEF); 688 689 imx390->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, 690 V4L2_CID_PIXEL_RATE, get_pixel_rate(imx390), get_pixel_rate(imx390), 691 1, get_pixel_rate(imx390)); 692 693 if (imx390->pixel_rate) 694 imx390->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; 695 696 hblank = get_hblank(imx390); 697 imx390->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, V4L2_CID_HBLANK, 698 hblank, hblank, 1, hblank); 699 if (imx390->hblank) 700 imx390->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 701 702 imx390->red_balance = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, 703 V4L2_CID_RED_BALANCE, 704 IMX390_RED_BALANCE_MIN, 705 IMX390_RED_BALANCE_MAX, 706 IMX390_RED_BALANCE_STEP, 707 IMX390_RED_BALANCE_DEF); 708 709 imx390->blue_balance = v4l2_ctrl_new_std(ctrl_hdlr, &imx390_ctrl_ops, 710 V4L2_CID_BLUE_BALANCE, 711 IMX390_BLUE_BALANCE_MIN, 712 IMX390_BLUE_BALANCE_MAX, 713 IMX390_BLUE_BALANCE_STEP, 714 IMX390_BLUE_BALANCE_DEF); 715 716 cfg.ops = &imx390_ctrl_ops; 717 cfg.id = IMX390_CID_EXPOSURE_SHS1; 718 cfg.name = "IMX390_CID_EXPOSURE_SHS1"; 719 cfg.type = V4L2_CTRL_TYPE_INTEGER; 720 cfg.max = IMX390_DUMMY_MAX; 721 cfg.min = IMX390_DUMMY_MIN; 722 cfg.step = IMX390_DUMMY_STEP; 723 cfg.def = IMX390_DUMMY_DEF; 725 imx390->dummy_exp_shs1 = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 726 727 cfg.id = IMX390_CID_EXPOSURE_SHS2; 728 cfg.name = "IMX390_CID_EXPOSURE_SHS2"; 729 imx390->dummy_exp_shs2 = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 730 731 cfg.id = IMX390_CID_EXPOSURE_SHS3; 732 cfg.name = "IMX390_CID_EXPOSURE_SHS3"; 733 imx390->dummy_exp_shs3 = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 734 735 cfg.id = IMX390_CID_EXPOSURE_RHS1; 736 cfg.name = "IMX390_CID_EXPOSURE_RHS1"; 737 imx390->dummy_exp_rhs1 = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 738 739 cfg.id = IMX390_CID_EXPOSURE_RHS2; 740 cfg.name = "IMX390_CID_EXPOSURE_RHS2"; 741 imx390->dummy_exp_rhs2 = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 742 743 cfg.id = IMX390_CID_DIGITAL_GAIN_L; 744 cfg.name = "IMX390_CID_DIGITAL_GAIN_L"; 745 imx390->dummy_dg_l = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 746 747 cfg.id = IMX390_CID_DIGITAL_GAIN_S; 748 cfg.name = "IMX390_CID_DIGITAL_GAIN_S"; 749 imx390->dummy_dg_s = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 750 751 cfg.id = IMX390_CID_DIGITAL_GAIN_VS; 752 cfg.name = "IMX390_CID_DIGITAL_GAIN_VS"; 753 imx390->dummy_dg_vs = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 754 755 cfg.id = IMX390_CID_ANALOG_GAIN_L; 756 cfg.name = "IMX390_CID_ANALOG_GAIN_L"; 757 imx390->dummy_ag_l = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 758 759 cfg.id = IMX390_CID_ANALOG_GAIN_S; 760 cfg.name = "IMX390_CID_ANALOG_GAIN_S"; 761 imx390->dummy_ag_s = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 762 763 cfg.id = IMX390_CID_ANALOG_GAIN_VS; 764 cfg.name = "IMX390_CID_ANALOG_GAIN_VS"; 765 imx390->dummy_ag_vs = v4l2_ctrl_new_custom(ctrl_hdlr, &cfg, NULL); 766 767 if (ctrl_hdlr->error) 768 return ctrl_hdlr->error; 769 770 imx390->sd.ctrl_handler = ctrl_hdlr; 771 772 return 0; 773 } 774 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org