diff options
Diffstat (limited to 'arch/powerpc/include/asm/uaccess.h')
| -rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 605fa79a6e6f..47a454d19351 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -53,8 +53,6 @@ static inline bool __access_ok(unsigned long addr, unsigned long size) #define __put_user(x, ptr) \ __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) -extern long __put_user_bad(void); - #define __put_user_size(x, ptr, size, retval) \ do { \ __label__ __pu_failed; \ @@ -136,12 +134,10 @@ do { \ case 2: __put_user_asm_goto(x, __pus_addr, label, "sth"); break; \ case 4: __put_user_asm_goto(x, __pus_addr, label, "stw"); break; \ case 8: __put_user_asm2_goto(x, __pus_addr, label); break; \ - default: __put_user_bad(); \ + default: BUILD_BUG(); \ } \ } while (0) -extern long __get_user_bad(void); - /* * This does an atomic 128 byte aligned load from userspace. * Upto caller to do enable_kernel_vmx() before calling! @@ -196,14 +192,13 @@ extern long __get_user_bad(void); #define __get_user_size_allowed(x, ptr, size, retval) \ do { \ retval = 0; \ - if (size > sizeof(x)) \ - (x) = __get_user_bad(); \ + BUILD_BUG_ON(size > sizeof(x)); \ switch (size) { \ case 1: __get_user_asm(x, (u8 __user *)ptr, retval, "lbz"); break; \ case 2: __get_user_asm(x, (u16 __user *)ptr, retval, "lhz"); break; \ case 4: __get_user_asm(x, (u32 __user *)ptr, retval, "lwz"); break; \ case 8: __get_user_asm2(x, (u64 __user *)ptr, retval); break; \ - default: (x) = __get_user_bad(); \ + default: BUILD_BUG(); \ } \ } while (0) |