[media] lirc: return ENOTTY when device does support ioctl
If timeouts or carrier range is not supported, return proper error.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index 637b583..235d74a 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -253,6 +253,9 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
val);
case LIRC_SET_REC_CARRIER_RANGE:
+ if (!dev->s_rx_carrier_range)
+ return -ENOTTY;
+
if (val <= 0)
return -EINVAL;
@@ -305,6 +308,9 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
break;
case LIRC_SET_REC_TIMEOUT_REPORTS:
+ if (!dev->timeout)
+ return -ENOTTY;
+
lirc->send_timeout_reports = !!val;
break;