tree: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git master head: 86f77bf98fdd07cd7e9b65014c5f8d8d233b3449 commit: 86f77bf98fdd07cd7e9b65014c5f8d8d233b3449 [1384/1384] Input: evdev - add event-mask API config: sparc64-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 86f77bf98fdd07cd7e9b65014c5f8d8d233b3449 # save the attached .config to linux build tree make.cross ARCH=sparc64 All warnings (new ones prefixed by >>): drivers/input/evdev.c: In function 'bits_from_user': >> drivers/input/evdev.c:719:7: warning: passing argument 1 of 'copy_from_user' discards 'const' qualifier from pointer target type if (copy_from_user(p, bits, len)) ^ In file included from arch/sparc/include/asm/uaccess.h:4:0, from include/linux/poll.h:11, from drivers/input/evdev.c:18: arch/sparc/include/asm/uaccess_64.h:251:1: note: expected 'void *' but argument is of type 'const void *' copy_from_user(void *to, const void __user *from, unsigned long size) ^ vim +719 drivers/input/evdev.c 703 if (copy_from_user((compat_long_t *) bits + 704 i + 1 - ((i % 2) << 1), 705 (compat_long_t __user *) p + i, 706 sizeof(compat_long_t))) 707 return -EFAULT; 708 if (i % 2) 709 *((compat_long_t *) bits + i - 1) = 0; 710 711 } else { 712 if (maxlen % sizeof(long)) 713 return -EINVAL; 714 715 len = BITS_TO_LONGS(maxbit) * sizeof(long); 716 if (len > maxlen) 717 len = maxlen; 718 > 719 if (copy_from_user(p, bits, len)) 720 return -EFAULT; 721 } 722 723 return len; 724 } 725 726 #else 727 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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