tree: git://linuxtv.org/sailus/media_tree.git devel head: 07e07f2cd3ebb7e8b62ccb8f22a16032b599c9e2 commit: 07e07f2cd3ebb7e8b62ccb8f22a16032b599c9e2 [23/23] media: stm32-dcmi: use devm_kmemdup_array() config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250311/202503110853.F2zqgdx0-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250311/202503110853.F2zqgdx0-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/202503110853.F2zqgdx0-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/media/platform/st/stm32/stm32-dcmi.c:1685:21: error: call to undeclared function 'devm_kmemdup_array'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1685 | dcmi->sd_formats = devm_kmemdup_array(dcmi->dev, sd_fmts, num_fmts, | ^ >> drivers/media/platform/st/stm32/stm32-dcmi.c:1685:19: error: incompatible integer to pointer conversion assigning to 'const struct dcmi_format **' from 'int' [-Wint-conversion] 1685 | dcmi->sd_formats = devm_kmemdup_array(dcmi->dev, sd_fmts, num_fmts, | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1686 | sizeof(sd_fmts[0]), GFP_KERNEL); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated. vim +/devm_kmemdup_array +1685 drivers/media/platform/st/stm32/stm32-dcmi.c 1639 1640 static int dcmi_formats_init(struct stm32_dcmi *dcmi) 1641 { 1642 const struct dcmi_format *sd_fmts[ARRAY_SIZE(dcmi_formats)]; 1643 unsigned int num_fmts = 0, i, j; 1644 struct v4l2_subdev *subdev = dcmi->source; 1645 struct v4l2_subdev_mbus_code_enum mbus_code = { 1646 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 1647 }; 1648 1649 while (!v4l2_subdev_call(subdev, pad, enum_mbus_code, 1650 NULL, &mbus_code)) { 1651 for (i = 0; i < ARRAY_SIZE(dcmi_formats); i++) { 1652 if (dcmi_formats[i].mbus_code != mbus_code.code) 1653 continue; 1654 1655 /* Exclude JPEG if BT656 bus is selected */ 1656 if (dcmi_formats[i].fourcc == V4L2_PIX_FMT_JPEG && 1657 dcmi->bus_type == V4L2_MBUS_BT656) 1658 continue; 1659 1660 /* Code supported, have we got this fourcc yet? */ 1661 for (j = 0; j < num_fmts; j++) 1662 if (sd_fmts[j]->fourcc == 1663 dcmi_formats[i].fourcc) { 1664 /* Already available */ 1665 dev_dbg(dcmi->dev, "Skipping fourcc/code: %4.4s/0x%x\n", 1666 (char *)&sd_fmts[j]->fourcc, 1667 mbus_code.code); 1668 break; 1669 } 1670 if (j == num_fmts) { 1671 /* New */ 1672 sd_fmts[num_fmts++] = dcmi_formats + i; 1673 dev_dbg(dcmi->dev, "Supported fourcc/code: %4.4s/0x%x\n", 1674 (char *)&sd_fmts[num_fmts - 1]->fourcc, 1675 sd_fmts[num_fmts - 1]->mbus_code); 1676 } 1677 } 1678 mbus_code.index++; 1679 } 1680 1681 if (!num_fmts) 1682 return -ENXIO; 1683 1684 dcmi->num_of_sd_formats = num_fmts; > 1685 dcmi->sd_formats = devm_kmemdup_array(dcmi->dev, sd_fmts, num_fmts, 1686 sizeof(sd_fmts[0]), GFP_KERNEL); 1687 if (!dcmi->sd_formats) { 1688 dev_err(dcmi->dev, "Could not allocate memory\n"); 1689 return -ENOMEM; 1690 } 1691 1692 dcmi->sd_format = dcmi->sd_formats[0]; 1693 return 0; 1694 } 1695 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
