diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
index d4af17fdba46..2bd781f1e0f5 100644
--- a/drivers/hid/hid-rmi.c
+++ b/drivers/hid/hid-rmi.c
@@ -365,7 +365,7 @@ static int rmi_check_sanity(struct hid_device *hdev, u8 *data, int size)
 	 * such reports here.
 	 */
 
-	while ((data[valid_size - 1] == 0xff) && valid_size > 0)
+	while (valid_size > 0 && data[valid_size - 1] == 0xff)
 		valid_size--;
 
 	return valid_size;