CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: "GNU/Weeb Mailing List" <g...@vger.gnuweeb.org> CC: linux-ker...@vger.kernel.org TO: Liangliang Li <liliangli...@vivo.com> CC: Todd Kjos <tk...@google.com>
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.10 head: 5da5b1871950c71755fa5a0b88c78e2f2623da24 commit: 372b24bad2a8e7994d0360c870f6e981e3f4bb8f [1384/9999] ANDROID: GKI: Add OEM data to mutex/rwsem :::::: branch date: 15 hours ago :::::: commit date: 9 months ago config: arm-randconfig-c002-20220308 (https://download.01.org/0day-ci/archive/20220309/202203091824.i3mnikqe-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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://github.com/ammarfaizi2/linux-block/commit/372b24bad2a8e7994d0360c870f6e981e3f4bb8f git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.10 git checkout 372b24bad2a8e7994d0360c870f6e981e3f4bb8f # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> clang-analyzer warnings: (new ones prefixed by >>) if (!(x & 0x80000000u)) { ^ include/linux/compiler.h:56:28: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value' (cond) ? \ ^ include/asm-generic/bitops/fls.h:35:2: note: Taking false branch if (!(x & 0x80000000u)) { ^ include/linux/compiler.h:56:23: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/asm-generic/bitops/fls.h:39:2: note: Returning the value 32 (loaded from 'r') return r; ^~~~~~~~ include/linux/bitops.h:185:10: note: Returning from 'fls' return fls(l); ^~~~~~ include/linux/bitops.h:185:3: note: Returning the value 32 return fls(l); ^~~~~~~~~~~~~ include/linux/log2.h:57:16: note: Returning from 'fls_long' return 1UL << fls_long(n - 1); ^~~~~~~~~~~~~~~ include/linux/log2.h:57:13: note: The result of the left shift is undefined due to shifting by '32', which is greater or equal to the width of type 'unsigned long' return 1UL << fls_long(n - 1); ^ ~~~~~~~~~~~~~~~ Suppressed 7 warnings (7 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. 2 warnings generated. Suppressed 2 warnings (2 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. 5 warnings generated. fs/ufs/dir.c:102:2: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores] err = ufs_commit_chunk(page, pos, len); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/ufs/dir.c:102:2: note: Value stored to 'err' is never read err = ufs_commit_chunk(page, pos, len); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/ufs/dir.c:179:2: warning: Value stored to 'p' is never read [clang-analyzer-deadcode.DeadStores] p = (struct ufs_dir_entry *)(kaddr + offs); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/ufs/dir.c:179:2: note: Value stored to 'p' is never read p = (struct ufs_dir_entry *)(kaddr + offs); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppressed 3 warnings (3 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 4 warnings generated. fs/ufs/inode.c:78:9: warning: Excessive padding in 'Indirect' (8 padding bytes, where 0 is optimal). Optimal fields order: , p, bh, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] typedef struct { ^~~~~~~~ fs/ufs/inode.c:78:9: note: Excessive padding in 'Indirect' (8 padding bytes, where 0 is optimal). Optimal fields order: , p, bh, consider reordering the fields or adding explicit padding members typedef struct { ^~~~~~~~ Suppressed 3 warnings (3 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 2 warnings generated. Suppressed 2 warnings (2 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. 4 warnings generated. >> drivers/iio/adc/ti-ads8688.c:64:8: warning: Excessive padding in 'struct >> ads8688_state' (40 padding bytes, where 8 is optimal). Optimal fields order: data, lock, chip_info, spi, reg, vref_mv, range, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct ads8688_state { ~~~~~~~^~~~~~~~~~~~~~~ drivers/iio/adc/ti-ads8688.c:64:8: note: Excessive padding in 'struct ads8688_state' (40 padding bytes, where 8 is optimal). Optimal fields order: data, lock, chip_info, spi, reg, vref_mv, range, consider reordering the fields or adding explicit padding members struct ads8688_state { ~~~~~~~^~~~~~~~~~~~~~~ Suppressed 3 warnings (3 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. 4 warnings generated. drivers/iio/adc/vf610_adc.c:188:28: warning: The result of the left shift is undefined due to shifting by '32', which is greater or equal to the width of type 'int' [clang-analyzer-core.UndefinedBinaryOperatorResult] adc_feature->clk_div = 1 << fls(divisor + 1); ^ drivers/iio/adc/vf610_adc.c:804:6: note: Assuming 'indio_dev' is non-null if (!indio_dev) { ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/iio/adc/vf610_adc.c:804:2: note: '?' condition is false if (!indio_dev) { ^ include/linux/compiler.h:56:28: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ drivers/iio/adc/vf610_adc.c:804:7: note: 'indio_dev' is non-null if (!indio_dev) { ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/iio/adc/vf610_adc.c:804:2: note: '?' condition is false if (!indio_dev) { ^ include/linux/compiler.h:56:28: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value' (cond) ? \ ^ drivers/iio/adc/vf610_adc.c:804:2: note: Taking false branch if (!indio_dev) { ^ include/linux/compiler.h:56:23: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ drivers/iio/adc/vf610_adc.c:813:2: note: '?' condition is false if (IS_ERR(info->regs)) ^ include/linux/compiler.h:56:28: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ drivers/iio/adc/vf610_adc.c:813:2: note: '?' condition is false if (IS_ERR(info->regs)) ^ include/linux/compiler.h:56:28: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^ include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value' (cond) ? \ ^ drivers/iio/adc/vf610_adc.c:813:2: note: Taking false branch if (IS_ERR(info->regs)) ^ include/linux/compiler.h:56:23: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ^ drivers/iio/adc/vf610_adc.c:817:6: note: Assuming 'irq' is >= 0 if (irq < 0) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) vim +64 drivers/iio/adc/ti-ads8688.c 3e87e7838328311 Sean Nyekjaer 2015-11-09 63 3e87e7838328311 Sean Nyekjaer 2015-11-09 @64 struct ads8688_state { 3e87e7838328311 Sean Nyekjaer 2015-11-09 65 struct mutex lock; 3e87e7838328311 Sean Nyekjaer 2015-11-09 66 const struct ads8688_chip_info *chip_info; 3e87e7838328311 Sean Nyekjaer 2015-11-09 67 struct spi_device *spi; 3e87e7838328311 Sean Nyekjaer 2015-11-09 68 struct regulator *reg; 3e87e7838328311 Sean Nyekjaer 2015-11-09 69 unsigned int vref_mv; 3e87e7838328311 Sean Nyekjaer 2015-11-09 70 enum ads8688_range range[8]; 3e87e7838328311 Sean Nyekjaer 2015-11-09 71 union { 3e87e7838328311 Sean Nyekjaer 2015-11-09 72 __be32 d32; 3e87e7838328311 Sean Nyekjaer 2015-11-09 73 u8 d8[4]; 3e87e7838328311 Sean Nyekjaer 2015-11-09 74 } data[2] ____cacheline_aligned; 3e87e7838328311 Sean Nyekjaer 2015-11-09 75 }; 3e87e7838328311 Sean Nyekjaer 2015-11-09 76 :::::: The code at line 64 was first introduced by commit :::::: 3e87e78383283119a7d41f8a4cab8ef0a5c9acab iio: adc: Add TI ADS8688 :::::: TO: Sean Nyekjaer <sean.nyekj...@prevas.dk> :::::: CC: Jonathan Cameron <ji...@kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
