1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
index 679e142fc850..41012681cafd 100644
--- a/drivers/hid/hid-wiimote-core.c
+++ b/drivers/hid/hid-wiimote-core.c
@@ -1586,7 +1586,7 @@ struct wiiproto_handler {
 	void (*func)(struct wiimote_data *wdata, const __u8 *payload);
 };
 
-static struct wiiproto_handler handlers[] = {
+static const struct wiiproto_handler handlers[] = {
 	{ .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status },
 	{ .id = WIIPROTO_REQ_STATUS, .size = 2, .func = handler_status_K },
 	{ .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data },
@@ -1618,19 +1618,19 @@ static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
 							u8 *raw_data, int size)
 {
 	struct wiimote_data *wdata = hid_get_drvdata(hdev);
-	struct wiiproto_handler *h;
+	const struct wiiproto_handler *h;
 	int i;
 	unsigned long flags;
 
 	if (size < 1)
 		return -EINVAL;
 
-	spin_lock_irqsave(&wdata->state.lock, flags);
-
 	for (i = 0; handlers[i].id; ++i) {
 		h = &handlers[i];
 		if (h->id == raw_data[0] && h->size < size) {
+			spin_lock_irqsave(&wdata->state.lock, flags);
 			h->func(wdata, &raw_data[1]);
+			spin_unlock_irqrestore(&wdata->state.lock, flags);
 			break;
 		}
 	}
@@ -1639,8 +1639,6 @@ static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
 		hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0],
 									size);
 
-	spin_unlock_irqrestore(&wdata->state.lock, flags);
-
 	return 0;
 }
 
@@ -1672,7 +1670,6 @@ static ssize_t wiimote_ext_show(struct device *dev,
 	case WIIMOTE_EXT_GUITAR:
 		return sprintf(buf, "guitar\n");
 	case WIIMOTE_EXT_UNKNOWN:
-		/* fallthrough */
 	default:
 		return sprintf(buf, "unknown\n");
 	}
@@ -1722,7 +1719,6 @@ static ssize_t wiimote_dev_show(struct device *dev,
 	case WIIMOTE_DEV_PENDING:
 		return sprintf(buf, "pending\n");
 	case WIIMOTE_DEV_UNKNOWN:
-		/* fallthrough */
 	default:
 		return sprintf(buf, "unknown\n");
 	}