[kbuild-all] drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c:1693:1: error: non-void function does not return a value in all control paths

tree: https://github.com/0day-ci/linux/commits/UPDATE-20210508-185249/Pavel-Skr... head: 4cebd9463b967e1f4806a5c269dfef4ddaf812f1 commit: 4cebd9463b967e1f4806a5c269dfef4ddaf812f1 staging: media: atomisp: code cleanup date: 4 days ago config: x86_64-randconfig-r024-20210512 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a0fed635fe1701470062495a6ffee1c608f3f1bc) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/4cebd9463b967e1f4806a5c269dfef4dd... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20210508-185249/Pavel-Skripkin/staging-media-atomisp-remove-useless-breaks/20210507-041134 git checkout 4cebd9463b967e1f4806a5c269dfef4ddaf812f1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 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 >>): } ^ 1 error generated. vim +1693 drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1616 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1617 // Fills the parameters to config.csi_value[port] 39bc26e49a5f94 drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-07-20 1618 static input_system_err_t input_system_configure_channel_sensor( ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1619 const channel_cfg_t channel) ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1620 { bdfe0beb95eebc drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1621 const u32 port = channel.source_cfg.csi_cfg.csi_port; 39bc26e49a5f94 drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-07-20 1622 input_system_err_t status = INPUT_SYSTEM_ERR_NO_ERROR; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1623 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1624 input_system_multiplex_t mux; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1625 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1626 if (port >= N_INPUT_SYSTEM_PORTS) ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1627 return INPUT_SYSTEM_ERR_GENERIC; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1628 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1629 //check if port > N_INPUT_SYSTEM_MULTIPLEX ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1630 eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1631 status = set_source_type(&config.source_type, channel.source_type, eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1632 &config.source_type_flags); ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1633 if (status != INPUT_SYSTEM_ERR_NO_ERROR) return status; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1634 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1635 // Check for conflicts on source (implicitly on multicast, capture unit and input buffer). ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1636 eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1637 status = set_csi_cfg(&config.csi_value[port], &channel.source_cfg.csi_cfg, eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1638 &config.csi_flags[port]); ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1639 if (status != INPUT_SYSTEM_ERR_NO_ERROR) return status; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1640 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1641 switch (channel.source_cfg.csi_cfg.buffering_mode) { ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1642 case INPUT_SYSTEM_FIFO_CAPTURE: ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1643 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1644 // Check for conflicts on mux. ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1645 mux = INPUT_SYSTEM_MIPI_PORT0 + port; eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1646 status = input_system_multiplexer_cfg(&config.multiplexer, mux, eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1647 &config.multiplexer_flags); ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1648 if (status != INPUT_SYSTEM_ERR_NO_ERROR) return status; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1649 config.multicast[port] = INPUT_SYSTEM_CSI_BACKEND; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1650 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1651 // Shared resource, so it should be blocked. ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1652 //config.mux_flags |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1653 //config.csi_buffer_flags[port] |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1654 //config.acquisition_buffer_unique_flags |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1655 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1656 break; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1657 case INPUT_SYSTEM_SRAM_BUFFERING: ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1658 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1659 // Check for conflicts on mux. ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1660 mux = INPUT_SYSTEM_ACQUISITION_UNIT; eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1661 status = input_system_multiplexer_cfg(&config.multiplexer, mux, eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1662 &config.multiplexer_flags); ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1663 if (status != INPUT_SYSTEM_ERR_NO_ERROR) return status; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1664 config.multicast[port] = INPUT_SYSTEM_INPUT_BUFFER; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1665 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1666 // Shared resource, so it should be blocked. ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1667 //config.mux_flags |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1668 //config.csi_buffer_flags[port] |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1669 //config.acquisition_buffer_unique_flags |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1670 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1671 break; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1672 case INPUT_SYSTEM_XMEM_BUFFERING: ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1673 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1674 // Check for conflicts on mux. ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1675 mux = INPUT_SYSTEM_ACQUISITION_UNIT; eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1676 status = input_system_multiplexer_cfg(&config.multiplexer, mux, eaa399eb542cdf drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1677 &config.multiplexer_flags); ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1678 if (status != INPUT_SYSTEM_ERR_NO_ERROR) return status; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1679 config.multicast[port] = INPUT_SYSTEM_INPUT_BUFFER; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1680 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1681 // Shared resource, so it should be blocked. ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1682 //config.mux_flags |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1683 //config.csi_buffer_flags[port] |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1684 //config.acquisition_buffer_unique_flags |= INPUT_SYSTEM_CFG_FLAG_BLOCKED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1685 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1686 break; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1687 case INPUT_SYSTEM_FIFO_CAPTURE_WITH_COUNTING: ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1688 case INPUT_SYSTEM_XMEM_CAPTURE: ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1689 case INPUT_SYSTEM_XMEM_ACQUIRE: ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1690 default: ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1691 return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1692 } ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 @1693 } ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/input_system.c Mauro Carvalho Chehab 2020-04-19 1694 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org