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Fix hexagon build error

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Merge tag 'hexagon-for-linus-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hexagon fix from Guenter Roeck:
 "This fixes a build error seen when building hexagon images.

  Richard sent me an Ack, but didn't reply when asked if he wants me to
  send the patch to you directly, so I figured I'd just do it"

* tag 'hexagon-for-linus-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hexagon: Use raw_copy_to_user
This commit is contained in:
Linus Torvalds 2017-06-11 11:09:15 -07:00
parent 9d0eb46246 4d801cca0b
commit 9d66af6bbf
1 changed files with 2 additions and 3 deletions
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5
arch/hexagon/mm/uaccess.c
View file

@ -37,15 +37,14 @@ __kernel_size_t __clear_user_hexagon(void __user *dest, unsigned long count)
long uncleared;
while (count > PAGE_SIZE) {
uncleared = __copy_to_user_hexagon(dest, &empty_zero_page,
PAGE_SIZE);
uncleared = raw_copy_to_user(dest, &empty_zero_page, PAGE_SIZE);
if (uncleared)
return count - (PAGE_SIZE - uncleared);
count -= PAGE_SIZE;
dest += PAGE_SIZE;
}
if (count)
count = __copy_to_user_hexagon(dest, &empty_zero_page, count);
count = raw_copy_to_user(dest, &empty_zero_page, count);
return count;
}