diff options
| -rw-r--r-- | arch/blackfin/Kconfig | 1 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/uaccess.h | 26 |
2 files changed, 5 insertions, 22 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 3c1bd640042a..919dad1436f7 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -41,6 +41,7 @@ config BLACKFIN select MODULES_USE_ELF_RELA select HAVE_DEBUG_STACKOVERFLOW select HAVE_NMI + select ARCH_HAS_RAW_COPY_USER config GENERIC_CSUM def_bool y diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h index 9019cccf2aea..f54a34f31cea 100644 --- a/arch/blackfin/include/asm/uaccess.h +++ b/arch/blackfin/include/asm/uaccess.h @@ -144,41 +144,23 @@ static inline int bad_user_access_length(void) : "a" (__ptr(ptr))); \ }) -#define __copy_to_user_inatomic __copy_to_user -#define __copy_from_user_inatomic __copy_from_user - static inline unsigned long __must_check -__copy_from_user(void *to, const void __user *from, unsigned long n) +raw_copy_from_user(void *to, const void __user *from, unsigned long n) { memcpy(to, (const void __force *)from, n); return 0; } static inline unsigned long __must_check -__copy_to_user(void __user *to, const void *from, unsigned long n) +raw_copy_to_user(void __user *to, const void *from, unsigned long n) { memcpy((void __force *)to, from, n); SSYNC(); return 0; } -static inline unsigned long __must_check -copy_from_user(void *to, const void __user *from, unsigned long n) -{ - if (likely(access_ok(VERIFY_READ, from, n))) - return __copy_from_user(to, from, n); - memset(to, 0, n); - return n; -} - -static inline unsigned long __must_check -copy_to_user(void __user *to, const void *from, unsigned long n) -{ - if (likely(access_ok(VERIFY_WRITE, to, n))) - return __copy_to_user(to, from, n); - return n; -} - +#define INLINE_COPY_FROM_USER +#define INLINE_COPY_TO_USER /* * Copy a null terminated string from userspace. */ |