tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 18c107a1f120d095404d141dfad8f594bdc44020 commit: 1714582a3a087eda8786d5a1b32b2ec86ca8a303 [4882/12552] spi: Move ctlr->cur_msg_prepared to struct spi_message config: arm-randconfig-c002-20220718 (https://download.01.org/0day-ci/archive/20220724/202207242337.HY6svWLM-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d74b88c69dc2644bd0dc5d64e2d7413a0d4040e5) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=1714582a3a087eda8786d5a1b32b2ec86ca8a303 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 1714582a3a087eda8786d5a1b32b2ec86ca8a303 # save the config file COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm clang-analyzer If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> clang-analyzer warnings: (new ones prefixed by >>) ~~~~~~~^~~~~~~~~~~~~~ drivers/iio/accel/adxl313_core.c:46:8: note: Excessive padding in 'struct adxl313_data' (46 padding bytes, where 14 is optimal). Optimal fields order: transf_buf, regmap, lock, consider reordering the fields or adding explicit padding members struct adxl313_data { ~~~~~~~^~~~~~~~~~~~~~ Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 30 warnings generated. Suppressed 30 warnings (30 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 30 warnings generated. Suppressed 30 warnings (30 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 42 warnings generated. Suppressed 42 warnings (41 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 42 warnings generated. drivers/iio/magnetometer/ak8974.c:477:3: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memset(tab, 0xFF, tab_size); ^~~~~~ drivers/iio/magnetometer/ak8974.c:477:3: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 memset(tab, 0xFF, tab_size); ^~~~~~ Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 29 warnings generated. Suppressed 29 warnings (29 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 29 warnings generated. Suppressed 29 warnings (29 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 29 warnings generated. Suppressed 29 warnings (29 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 42 warnings generated. Suppressed 42 warnings (42 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 43 warnings generated. drivers/iio/dac/ad5064.c:105:8: warning: Excessive padding in 'struct ad5064_state' (35 padding bytes, where 3 is optimal). Optimal fields order: data, dev, chip_info, write, lock, dac_cache, vref_reg, use_internal_vref, pwr_down, pwr_down_mode, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct ad5064_state { ~~~~~~~^~~~~~~~~~~~~~ drivers/iio/dac/ad5064.c:105:8: note: Excessive padding in 'struct ad5064_state' (35 padding bytes, where 3 is optimal). Optimal fields order: data, dev, chip_info, write, lock, dac_cache, vref_reg, use_internal_vref, pwr_down, pwr_down_mode, consider reordering the fields or adding explicit padding members struct ad5064_state { ~~~~~~~^~~~~~~~~~~~~~ Suppressed 42 warnings (42 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 42 warnings generated. Suppressed 42 warnings (42 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 44 warnings generated. drivers/iio/adc/ti-adc12138.c:38:8: warning: Excessive padding in 'struct adc12138' (36 padding bytes, where 4 is optimal). Optimal fields order: tx_buf, rx_buf, spi, data, id, cclk, vref_p, vref_n, acquisition_time, lock, complete, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct adc12138 { ~~~~~~~^~~~~~~~~~ drivers/iio/adc/ti-adc12138.c:38:8: note: Excessive padding in 'struct adc12138' (36 padding bytes, where 4 is optimal). Optimal fields order: tx_buf, rx_buf, spi, data, id, cclk, vref_p, vref_n, acquisition_time, lock, complete, consider reordering the fields or adding explicit padding members struct adc12138 { ~~~~~~~^~~~~~~~~~ drivers/iio/adc/ti-adc12138.c:148:2: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] memcpy(rx_buf, adc->rx_buf, len); ^~~~~~ drivers/iio/adc/ti-adc12138.c:148:2: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 memcpy(rx_buf, adc->rx_buf, len); ^~~~~~ Suppressed 42 warnings (42 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 43 warnings generated. >> drivers/iio/adc/ti-adc108s102.c:59:8: warning: Excessive padding in 'struct adc108s102_state' (56 padding bytes, where 24 is optimal). Optimal fields order: rx_buf, spi, reg, va_millivolt, tx_buf, ring_msg, scan_single_msg, ring_xfer, scan_single_xfer, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct adc108s102_state { ~~~~~~~^~~~~~~~~~~~~~~~~~ drivers/iio/adc/ti-adc108s102.c:59:8: note: Excessive padding in 'struct adc108s102_state' (56 padding bytes, where 24 is optimal). Optimal fields order: rx_buf, spi, reg, va_millivolt, tx_buf, ring_msg, scan_single_msg, ring_xfer, scan_single_xfer, consider reordering the fields or adding explicit padding members struct adc108s102_state { ~~~~~~~^~~~~~~~~~~~~~~~~~ Suppressed 42 warnings (42 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 43 warnings generated. drivers/iio/dac/mcp4922.c:27:8: warning: Excessive padding in 'struct mcp4922_state' (42 padding bytes, where 10 is optimal). Optimal fields order: mosi, spi, vref_mv, vref_reg, value, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct mcp4922_state { ~~~~~~~^~~~~~~~~~~~~~~ drivers/iio/dac/mcp4922.c:27:8: note: Excessive padding in 'struct mcp4922_state' (42 padding bytes, where 10 is optimal). Optimal fields order: mosi, spi, vref_mv, vref_reg, value, consider reordering the fields or adding explicit padding members struct mcp4922_state { ~~~~~~~^~~~~~~~~~~~~~~ Suppressed 42 warnings (42 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 42 warnings generated. drivers/iio/dac/ti-dac5571.c:44:8: warning: Excessive padding in 'struct dac5571_data' (41 padding bytes, where 9 is optimal). Optimal fields order: buf, powerdown, powerdown_mode, client, id, vref, spec, dac5571_cmd, dac5571_pwrdwn, lock, val, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct dac5571_data { ~~~~~~~^~~~~~~~~~~~~~ drivers/iio/dac/ti-dac5571.c:44:8: note: Excessive padding in 'struct dac5571_data' (41 padding bytes, where 9 is optimal). Optimal fields order: buf, powerdown, powerdown_mode, client, id, vref, spec, dac5571_cmd, dac5571_pwrdwn, lock, val, consider reordering the fields or adding explicit padding members struct dac5571_data { ~~~~~~~^~~~~~~~~~~~~~ Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 14 warnings generated. Suppressed 14 warnings (14 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 41 warnings generated. Suppressed 41 warnings (41 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 28 warnings generated. Suppressed 28 warnings (28 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 28 warnings generated. Suppressed 28 warnings (28 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 31 warnings generated. Suppressed 31 warnings (31 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 33 warnings generated. Suppressed 33 warnings (31 in non-user code, 2 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 33 warnings generated. drivers/media/mc/mc-request.c:190:23: warning: Value stored to 'mdev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct media_device *mdev = req->mdev; ^~~~ ~~~~~~~~~ drivers/media/mc/mc-request.c:190:23: note: Value stored to 'mdev' during its initialization is never read struct media_device *mdev = req->mdev; ^~~~ ~~~~~~~~~ drivers/media/mc/mc-request.c:331:2: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] snprintf(req->debug_str, sizeof(req->debug_str), "%u:%d", ^~~~~~~~ drivers/media/mc/mc-request.c:331:2: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 snprintf(req->debug_str, sizeof(req->debug_str), "%u:%d", ^~~~~~~~ Suppressed 31 warnings (31 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 33 warnings generated. Suppressed 33 warnings (33 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 46 warnings generated. drivers/media/v4l2-core/v4l2-async.c:478:17: warning: Value stored to 'dev' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct device *dev = ^~~ drivers/media/v4l2-core/v4l2-async.c:478:17: note: Value stored to 'dev' during its initialization is never read struct device *dev = ^~~ Suppressed 45 warnings (44 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 30 warnings generated. drivers/bcma/scan.c:450:2: warning: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling] snprintf(chip_id, ARRAY_SIZE(chip_id), ^~~~~~~~ drivers/bcma/scan.c:450:2: note: Call to function 'snprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'snprintf_s' in case of C11 snprintf(chip_id, ARRAY_SIZE(chip_id), ^~~~~~~~ Suppressed 29 warnings (29 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. vim +59 drivers/iio/adc/ti-adc108s102.c 7e87d11c9bda75 Jan Kiszka 2017-05-17 58 7e87d11c9bda75 Jan Kiszka 2017-05-17 @59 struct adc108s102_state { 7e87d11c9bda75 Jan Kiszka 2017-05-17 60 struct spi_device *spi; 7e87d11c9bda75 Jan Kiszka 2017-05-17 61 struct regulator *reg; 7e87d11c9bda75 Jan Kiszka 2017-05-17 62 u32 va_millivolt; 7e87d11c9bda75 Jan Kiszka 2017-05-17 63 /* SPI transfer used by triggered buffer handler*/ 7e87d11c9bda75 Jan Kiszka 2017-05-17 64 struct spi_transfer ring_xfer; 7e87d11c9bda75 Jan Kiszka 2017-05-17 65 /* SPI transfer used by direct scan */ 7e87d11c9bda75 Jan Kiszka 2017-05-17 66 struct spi_transfer scan_single_xfer; 7e87d11c9bda75 Jan Kiszka 2017-05-17 67 /* SPI message used by ring_xfer SPI transfer */ 7e87d11c9bda75 Jan Kiszka 2017-05-17 68 struct spi_message ring_msg; 7e87d11c9bda75 Jan Kiszka 2017-05-17 69 /* SPI message used by scan_single_xfer SPI transfer */ 7e87d11c9bda75 Jan Kiszka 2017-05-17 70 struct spi_message scan_single_msg; 7e87d11c9bda75 Jan Kiszka 2017-05-17 71 7e87d11c9bda75 Jan Kiszka 2017-05-17 72 /* 7e87d11c9bda75 Jan Kiszka 2017-05-17 73 * SPI message buffers: 7e87d11c9bda75 Jan Kiszka 2017-05-17 74 * tx_buf: |C0|C1|C2|C3|C4|C5|C6|C7|XX| 7e87d11c9bda75 Jan Kiszka 2017-05-17 75 * rx_buf: |XX|R0|R1|R2|R3|R4|R5|R6|R7|tt|tt|tt|tt| 7e87d11c9bda75 Jan Kiszka 2017-05-17 76 * 7e87d11c9bda75 Jan Kiszka 2017-05-17 77 * tx_buf: 8 channel read commands, plus 1 dummy command cbe5c697760411 Jonathan Cameron 2021-06-13 78 * rx_buf: 1 dummy response, 8 channel responses 7e87d11c9bda75 Jan Kiszka 2017-05-17 79 */ cbe5c697760411 Jonathan Cameron 2021-06-13 80 __be16 rx_buf[9] ____cacheline_aligned; 7e87d11c9bda75 Jan Kiszka 2017-05-17 81 __be16 tx_buf[9] ____cacheline_aligned; 7e87d11c9bda75 Jan Kiszka 2017-05-17 82 }; 7e87d11c9bda75 Jan Kiszka 2017-05-17 83 :::::: The code at line 59 was first introduced by commit :::::: 7e87d11c9bda75816ced8d0895e8d24e5c52833a iio: adc: Add support for TI ADC108S102 and ADC128S102 :::::: TO: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> :::::: CC: Jonathan Cameron <jic23@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp
