Messages in this thread | | | Date | Sat, 18 Nov 2023 02:53:04 +0800 | From | kernel test robot <> | Subject | arch/m68k/sun3/sun3ints.c:33:13: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6bc40e44f1ddef16a787f3501b97f1fff909177c commit: 72e70a0e7ac7c422843eb8bbf192e820e9ccd24d m68k: sun3: Change led_pattern[] to unsigned char date: 6 weeks ago config: m68k-randconfig-r133-20231117 (https://download.01.org/0day-ci/archive/20231118/202311180254.il3eWGT9-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231118/202311180254.il3eWGT9-lkp@intel.com/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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202311180254.il3eWGT9-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) arch/m68k/sun3/sun3ints.c: note: in included file (through include/linux/mmzone.h, include/linux/topology.h, include/linux/irq.h, ...): include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false >> arch/m68k/sun3/sun3ints.c:33:13: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f)
vim +33 arch/m68k/sun3/sun3ints.c
31 32 static unsigned char led_pattern[8] = { > 33 (u8)~(0x80), (u8)~(0x01), 34 (u8)~(0x40), (u8)~(0x02), 35 (u8)~(0x20), (u8)~(0x04), 36 (u8)~(0x10), (u8)~(0x08) 37 }; 38
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