diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index 637b583963e39b59197e968aa464484898c4f16d..235d74adc3fd1022c53e3d47cd0e473c8aa64168 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;