* On error, the variable @x is set to zero.
*/
#define get_user(x,ptr) \
-({ int __ret_gu,__val_gu; \
+({ int __ret_gu; \
+ unsigned long __val_gu; \
__chk_user_ptr(ptr); \
switch(sizeof (*(ptr))) { \
case 1: __get_user_x(1,__ret_gu,__val_gu,ptr); break; \
" .long 1b,4b\n" \
" .long 2b,4b\n" \
".previous" \
- : "=r"(err) \
+ : "=&r"(err) \
: "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")
" .long 1b,4b\n" \
" .long 2b,4b\n" \
".previous" \
- : "=r"(err) \
+ : "=&r"(err) \
: "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")
#else
" .balign 4\n" \
" .long 1b,3b\n" \
".previous" \
- : "=r"(err) \
+ : "=&r"(err) \
: "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")
#define __get_user_nocheck(x,ptr,size) \
({ \
- long __gu_err, __gu_val; \
+ long __gu_err; \
+ unsigned long __gu_val; \
__get_user_size(__gu_val,(ptr),(size),__gu_err); \
(x) = (__typeof__(*(ptr)))__gu_val; \
__gu_err; \
" .balign 4\n" \
" .long 1b,3b\n" \
".previous" \
- : "=r"(err), "=&r"(x) \
+ : "=&r"(err), "=&r"(x) \
: "r"(addr), "i"(-EFAULT), "0"(err) \
: "r14", "memory")
return n;
}
-unsigned long __generic_copy_to_user(void *, const void *, unsigned long);
-unsigned long __generic_copy_from_user(void *, const void *, unsigned long);
+unsigned long __generic_copy_to_user(void __user *, const void *, unsigned long);
+unsigned long __generic_copy_from_user(void *, const void __user *, unsigned long);
/**
* __copy_to_user: - Copy a block of data into user space, with less checking.