diff options
Diffstat (limited to 'arch/sparc/include/asm/uaccess_64.h')
| -rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 2406788bfe5..3e1449f0779 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -205,14 +205,6 @@ __asm__ __volatile__( \ extern int __get_user_bad(void); -extern void copy_from_user_overflow(void) -#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS - __compiletime_error("copy_from_user() buffer size is not provably correct") -#else - __compiletime_warning("copy_from_user() buffer size is not provably correct") -#endif -; - extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long size); @@ -221,16 +213,11 @@ extern unsigned long copy_from_user_fixup(void *to, const void __user *from, static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long size) { - int sz = __compiletime_object_size(to); - unsigned long ret = size; - - if (likely(sz == -1 || sz >= size)) { - ret = ___copy_from_user(to, from, size); - if (unlikely(ret)) - ret = copy_from_user_fixup(to, from, size); - } else { - copy_from_user_overflow(); - } + unsigned long ret = ___copy_from_user(to, from, size); + + if (unlikely(ret)) + ret = copy_from_user_fixup(to, from, size); + return ret; } #define __copy_from_user copy_from_user |