diff --git a/drivers/hid/hid-zydacron.c b/drivers/hid/hid-zydacron.c
index 1aae80f848f5..02de153d5628 100644
--- a/drivers/hid/hid-zydacron.c
+++ b/drivers/hid/hid-zydacron.c
@@ -114,6 +114,9 @@ static int zc_raw_event(struct hid_device *hdev, struct hid_report *report,
 	unsigned key;
 	unsigned short index;
 
+	if (size < 2)
+		return 0;
+
 	if (report->id == data[0] && (hdev->claimed & HID_CLAIMED_INPUT)) {
 
 		/* break keys */