| 371,9 → 371,20 |
|---|
| : "m"(__m(addr)), "i"(errret), "0"(err)) |
| |
| |
| unsigned long __copy_to_user_ll(void __user *to, const void *from, unsigned long n); |
| unsigned long __copy_from_user_ll(void *to, const void __user *from, unsigned long n); |
| static inline unsigned long __copy_to_user_ll(void __user *to, const void *from, unsigned long n) { |
| |
| memcpy(to,from,n); |
| return 0; |
| |
| } |
| |
| static inline unsigned long __copy_from_user_ll(void *to, const void __user *from, unsigned long n) { |
| |
| memcpy(to,from,n); |
| return 0; |
| |
| } |
| |
| /* |
| * Here we special-case 1, 2 and 4-byte copy_*_user invocations. On a fault |
| * we return the initial request size (1, 2 or 4), as copy_*_user should do. |
| 398,22 → 409,10 |
|---|
| static inline unsigned long |
| __copy_to_user(void __user *to, const void *from, unsigned long n) |
| { |
| if (__builtin_constant_p(n)) { |
| unsigned long ret; |
| |
| switch (n) { |
| case 1: |
| __put_user_size(*(u8 *)from, (u8 *)to, 1, ret, 1); |
| return ret; |
| case 2: |
| __put_user_size(*(u16 *)from, (u16 *)to, 2, ret, 2); |
| return ret; |
| case 4: |
| __put_user_size(*(u32 *)from, (u32 *)to, 4, ret, 4); |
| return ret; |
| } |
| } |
| return __copy_to_user_ll(to, from, n); |
| memcpy(to,from,n); |
| return 0; |
| |
| } |
| |
| /** |