HID: logitech-dj: remove unused querying_devices variable

querying_devices is never set, so it can safely be removed.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

drivers/hid/hid-logitech-dj.c

@@ -125,7 +125,6 @@ struct dj_receiver_dev {
 	struct work_struct work;
 	struct kfifo notif_fifo;
 	spinlock_t lock;
-	bool querying_devices;
 };
 
 struct dj_device {
@@ -653,10 +652,6 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)
 	struct dj_report *dj_report;
 	int retval;
 
-	/* no need to protect djrcv_dev->querying_devices */
-	if (djrcv_dev->querying_devices)
-		return 0;
-
 	dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
 	if (!dj_report)
 		return -ENOMEM;