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'
*/
.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
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;