Two patches fixing problems introduced with copy_from_user changes

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Merge tag 'fixes-for-linus-v4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull uaccess fixes from Guenter Roeck:
 "Two patches fixing problems introduced with copy_from_user changes"

* tag 'fixes-for-linus-v4.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  openrisc: fix the fix of copy_from_user()
  avr32: fix 'undefined reference to `___copy_from_user'
This commit is contained in:
Linus Torvalds 2016-09-18 11:57:24 -07:00
commit 88b4ad287c
2 changed files with 3 additions and 3 deletions

View File

@ -23,8 +23,8 @@
*/
.text
.align 1
.global copy_from_user
.type copy_from_user, @function
.global ___copy_from_user
.type ___copy_from_user, @function
___copy_from_user:
branch_if_kernel r8, __copy_user
ret_if_privileged r8, r11, r10, r10

View File

@ -276,7 +276,7 @@ copy_from_user(void *to, const void *from, unsigned long n)
unsigned long res = n;
if (likely(access_ok(VERIFY_READ, from, n)))
n = __copy_tofrom_user(to, from, n);
res = __copy_tofrom_user(to, from, n);
if (unlikely(res))
memset(to + (n - res), 0, res);
return res;