ALSA: fireface: remove unnecessary condition in hwdep_read()

Smatch complains that "count" is not clamped when "ff->dev_lock_changed"
and it leads to an information leak. Fortunately, that's not actually
possible and the condition can be deleted.

Signed-off-by: Dan Carpenter <[e-mail]>
Acked-by: Takashi Sakamoto <[e-mail]>
Link: https://lore.kernel.org/r/YA6n6I8EcNAO5ZFs@mwanda
Signed-off-by: Takashi Iwai <[e-mail]>

sound/firewire/fireface/ff-hwdep.c

···
 	}
 
 	memset(&event, 0, sizeof(event));
-	if (ff->dev_lock_changed) {
-		event.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS;
-		event.lock_status.status = (ff->dev_lock_count > 0);
-		ff->dev_lock_changed = false;
+	event.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS;
+	event.lock_status.status = (ff->dev_lock_count > 0);
+	ff->dev_lock_changed = false;
 
-		count = min_t(long, count, sizeof(event.lock_status));
-	}
+	count = min_t(long, count, sizeof(event.lock_status));
 
 	spin_unlock_irq(&ff->lock);