media: pulse8-cec: return 0 when invalidating the logical address

Return 0 when invalidating the logical address. The cec core produces
a warning for drivers that do this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Torbjorn Jansson <torbjorn.jansson@mbox200.swipnet.se>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/usb/pulse8-cec/pulse8-cec.c

@@ -586,7 +586,7 @@ static int pulse8_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr)
 	else
 		pulse8->config_pending = true;
 	mutex_unlock(&pulse8->config_lock);
-	return err;
+	return log_addr == CEC_LOG_ADDR_INVALID ? 0 : err;
 }
 
 static int pulse8_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,