1 files changed, 7 insertions, 4 deletions

diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h
index 9c80cd515b20..472c891a4aee 100644
--- a/arch/m68k/include/asm/uaccess_mm.h
+++ b/arch/m68k/include/asm/uaccess_mm.h
@@ -379,12 +379,15 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
 #define copy_from_user(to, from, n)     __copy_from_user(to, from, n)
 #define copy_to_user(to, from, n)       __copy_to_user(to, from, n)
 
-long strncpy_from_user(char *dst, const char __user *src, long count);
-long strnlen_user(const char __user *src, long n);
+#define user_addr_max() \
+        (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
+
+extern long strncpy_from_user(char *dst, const char __user *src, long count);
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
+
 unsigned long __clear_user(void __user *to, unsigned long n);
 
 #define clear_user      __clear_user
 
-#define strlen_user(str) strnlen_user(str, 32767)
-
 #endif /* _M68K_UACCESS_H */