Input: keyboard - don't override beep with a bell

The commit 66d2a5952eab875f1286e04f738ef029afdaf013 introduces a bug:
for every beep requested, a bell is also generated.

Reported-by: Paul Martin <[e-mail]>
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/char/keyboard.c

···
 }
 
 /*
- * Making beeps and bells.
+ * Making beeps and bells. Note that we prefer beeps to bells, but when
+ * shutting the sound off we do both.
  */
 
 static int kd_sound_helper(struct input_handle *handle, void *data)
···
 	struct input_dev *dev = handle->dev;
 
 	if (test_bit(EV_SND, dev->evbit)) {
-		if (test_bit(SND_TONE, dev->sndbit))
+		if (test_bit(SND_TONE, dev->sndbit)) {
 			input_inject_event(handle, EV_SND, SND_TONE, *hz);
-		if (test_bit(SND_BELL, handle->dev->sndbit))
+			if (*hz)
+				return 0;
+		}
+		if (test_bit(SND_BELL, dev->sndbit))
 			input_inject_event(handle, EV_SND, SND_BELL, *hz ? 1 : 0);
 	}