CC: [email protected] CC: [email protected] BCC: [email protected] CC: "GNU/Weeb Mailing List" <[email protected]> CC: [email protected] TO: Maxime Ripard <[email protected]> CC: Stephen Boyd <[email protected]>
tree: https://github.com/ammarfaizi2/linux-block clk/linux/clk-range head: e9d6cea2af1cf8d84287ff2287b6cd776f7475d2 commit: e9d6cea2af1cf8d84287ff2287b6cd776f7475d2 [11/11] clk: bcm: rpi: Run some clocks at the minimum rate allowed :::::: branch date: 12 hours ago :::::: commit date: 12 hours ago config: riscv-randconfig-c006-20220312 (https://download.01.org/0day-ci/archive/20220312/[email protected]/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 43f668b98e8d87290fc6bbf5ed13c3ab542e3497) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/ammarfaizi2/linux-block/commit/e9d6cea2af1cf8d84287ff2287b6cd776f7475d2 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block clk/linux/clk-range git checkout e9d6cea2af1cf8d84287ff2287b6cd776f7475d2 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> clang-analyzer warnings: (new ones prefixed by >>) ^ drivers/scsi/ufs/ufshpb.c:1446:2: note: Calling 'list_splice' list_splice(&pending_list, &hpb->lh_inact_rgn); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:464:7: note: Calling 'list_empty' if (!list_empty(list)) ^~~~~~~~~~~~~~~~ include/linux/list.h:292:9: note: Left side of '||' is false return READ_ONCE(head->next) == head; ^ include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE' compiletime_assert_rwonce_type(x); \ ^ include/asm-generic/rwonce.h:36:21: note: expanded from macro 'compiletime_assert_rwonce_type' compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ ^ include/linux/compiler_types.h:313:3: note: expanded from macro '__native_word' (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \ ^ include/linux/list.h:292:9: note: Left side of '||' is false return READ_ONCE(head->next) == head; ^ include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE' compiletime_assert_rwonce_type(x); \ ^ include/asm-generic/rwonce.h:36:21: note: expanded from macro 'compiletime_assert_rwonce_type' compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ ^ include/linux/compiler_types.h:313:3: note: expanded from macro '__native_word' (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \ ^ include/linux/list.h:292:9: note: Left side of '||' is true return READ_ONCE(head->next) == head; ^ include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE' compiletime_assert_rwonce_type(x); \ ^ include/asm-generic/rwonce.h:36:21: note: expanded from macro 'compiletime_assert_rwonce_type' compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ ^ include/linux/compiler_types.h:314:28: note: expanded from macro '__native_word' sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long)) ^ include/linux/list.h:292:9: note: Taking false branch return READ_ONCE(head->next) == head; ^ include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE' compiletime_assert_rwonce_type(x); \ ^ include/asm-generic/rwonce.h:36:2: note: expanded from macro 'compiletime_assert_rwonce_type' compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ ^ include/linux/compiler_types.h:346:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:334:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:326:3: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^ include/linux/list.h:292:9: note: Loop condition is false. Exiting loop return READ_ONCE(head->next) == head; ^ include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE' compiletime_assert_rwonce_type(x); \ ^ include/asm-generic/rwonce.h:36:2: note: expanded from macro 'compiletime_assert_rwonce_type' compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ ^ include/linux/compiler_types.h:346:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:334:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:318:2: note: expanded from macro '__compiletime_assert' do { \ ^ include/linux/list.h:292:2: note: Returning zero, which participates in a condition later return READ_ONCE(head->next) == head; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:464:7: note: Returning from 'list_empty' if (!list_empty(list)) ^~~~~~~~~~~~~~~~ include/linux/list.h:464:2: note: Taking true branch if (!list_empty(list)) ^ include/linux/list.h:465:29: note: Passing null pointer value via 3rd parameter 'next' __list_splice(list, head, head->next); ^~~~~~~~~~ include/linux/list.h:465:3: note: Calling '__list_splice' __list_splice(list, head, head->next); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:453:13: note: Access to field 'prev' results in a dereference of a null pointer (loaded from variable 'next') next->prev = last; ~~~~ ^ 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. 3 warnings generated. >> drivers/clk/bcm/clk-raspberrypi.c:76:8: warning: Excessive padding in >> 'struct raspberrypi_clk_variant' (6 padding bytes, where 2 is optimal). Optimal fields order: clkdev, min_rate, export, minimize, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct raspberrypi_clk_variant { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/clk/bcm/clk-raspberrypi.c:76:8: note: Excessive padding in 'struct raspberrypi_clk_variant' (6 padding bytes, where 2 is optimal). Optimal fields order: clkdev, min_rate, export, minimize, consider reordering the fields or adding explicit padding members struct raspberrypi_clk_variant { ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ 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. 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. 3 warnings generated. Suppressed 3 warnings (2 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. 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. 3 warnings generated. Suppressed 3 warnings (2 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. 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/regulator/ti-abb-regulator.c:754:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = -ENODEV; ^ ~~~~~~~ drivers/regulator/ti-abb-regulator.c:754:3: note: Value stored to 'ret' is never read ret = -ENODEV; ^ ~~~~~~~ drivers/regulator/ti-abb-regulator.c:773:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = -ENODEV; ^ ~~~~~~~ drivers/regulator/ti-abb-regulator.c:773:3: note: Value stored to 'ret' is never read ret = -ENODEV; ^ ~~~~~~~ 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. vim +76 drivers/clk/bcm/clk-raspberrypi.c 4e85e535e6cc6e Nicolas Saenz Julienne 2019-06-12 75 12c90f3f27bb3a Maxime Ripard 2022-02-25 @76 struct raspberrypi_clk_variant { 12c90f3f27bb3a Maxime Ripard 2022-02-25 77 bool export; 12c90f3f27bb3a Maxime Ripard 2022-02-25 78 char *clkdev; 542acfec4e313c Maxime Ripard 2022-02-25 79 unsigned long min_rate; e9d6cea2af1cf8 Maxime Ripard 2022-02-25 80 bool minimize; 12c90f3f27bb3a Maxime Ripard 2022-02-25 81 }; 12c90f3f27bb3a Maxime Ripard 2022-02-25 82 :::::: The code at line 76 was first introduced by commit :::::: 12c90f3f27bb3ad0dd3fad1550fec87091aa3329 clk: bcm: rpi: Add variant structure :::::: TO: Maxime Ripard <[email protected]> :::::: CC: Stephen Boyd <[email protected]> --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
