diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 3c62ed408492..78a702ce4fcb 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -423,8 +423,10 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size)
 		const char __user *end = uaddr + size - 1;
 
 		if (((unsigned long)uaddr & PAGE_MASK) !=
-				((unsigned long)end & PAGE_MASK))
+				((unsigned long)end & PAGE_MASK)) {
 		 	ret = __get_user(c, end);
+			(void)c;
+		}
 	}
 	return ret;
 }