1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-m68k/uaccess.h b/include/asm-m68k/uaccess.h
index a653bf80b848..2ffd87b0a769 100644
--- a/include/asm-m68k/uaccess.h
+++ b/include/asm-m68k/uaccess.h
@@ -805,7 +805,7 @@ static inline long strnlen_user(const char __user *src, long n)
 {
         long res;
 
-        res = -(long)src;
+        res = -(unsigned long)src;
         __asm__ __volatile__
                 ("1:\n"
                  "   tstl %2\n"