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
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: Binary data
