diff --git a/drivers/staging/gdm72xx/gdm_wimax.c b/drivers/staging/gdm72xx/gdm_wimax.c
index e5e511585122a3a25c5d6ad203d4c5f185755f3f..3081fd46bbda793f6a5c6922afa44b3c5dd49fd8 100644
--- a/drivers/staging/gdm72xx/gdm_wimax.c
+++ b/drivers/staging/gdm72xx/gdm_wimax.c
@@ -291,8 +291,9 @@ static void __gdm_wimax_event_send(struct work_struct *work)
 		e = list_entry(wm_event.evtq.next, struct evt_entry, list);
 		spin_unlock_irqrestore(&wm_event.evt_lock, flags);
 
-		sscanf(e->dev->name, "wm%d", &idx);
-		netlink_send(wm_event.sock, idx, 0, e->evt_data, e->size);
+		if (sscanf(e->dev->name, "wm%d", &idx) == 1)
+			netlink_send(wm_event.sock, idx, 0, e->evt_data,
+				     e->size);
 
 		spin_lock_irqsave(&wm_event.evt_lock, flags);
 		list_del(&e->list);