Commit 5c862758 authored by Sean Young's avatar Sean Young Committed by Mauro Carvalho Chehab
Browse files

[media] lirc: return ENOTTY when ioctl is not supported 



We shouldn't be using ENOSYS when a feature is not available. I've tested
lirc; nothing is broken as far as I can make out.

Signed-off-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent a8b875a5

drivers/media/rc/ir-lirc-codec.c

+10 −10
Original line number Diff line number Diff line
@@ -139,7 +139,7 @@ static ssize_t ir_lirc_transmit_ir(struct file *file, const char __user *buf, 
	}



	if (!dev->tx_ir) {

		ret = -ENOSYS;

		ret = -EINVAL;

		goto out;

	}
@@ -221,19 +221,19 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, 
	/* TX settings */

	case LIRC_SET_TRANSMITTER_MASK:

		if (!dev->s_tx_mask)

			return -ENOSYS;

			return -ENOTTY;



		return dev->s_tx_mask(dev, val);



	case LIRC_SET_SEND_CARRIER:

		if (!dev->s_tx_carrier)

			return -ENOSYS;

			return -ENOTTY;



		return dev->s_tx_carrier(dev, val);



	case LIRC_SET_SEND_DUTY_CYCLE:

		if (!dev->s_tx_duty_cycle)

			return -ENOSYS;

			return -ENOTTY;



		if (val <= 0 || val >= 100)

			return -EINVAL;
@@ -243,7 +243,7 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, 
	/* RX settings */

	case LIRC_SET_REC_CARRIER:

		if (!dev->s_rx_carrier_range)

			return -ENOSYS;

			return -ENOTTY;



		if (val <= 0)

			return -EINVAL;
@@ -265,32 +265,32 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, 


	case LIRC_SET_WIDEBAND_RECEIVER:

		if (!dev->s_learning_mode)

			return -ENOSYS;

			return -ENOTTY;



		return dev->s_learning_mode(dev, !!val);



	case LIRC_SET_MEASURE_CARRIER_MODE:

		if (!dev->s_carrier_report)

			return -ENOSYS;

			return -ENOTTY;



		return dev->s_carrier_report(dev, !!val);



	/* Generic timeout support */

	case LIRC_GET_MIN_TIMEOUT:

		if (!dev->max_timeout)

			return -ENOSYS;

			return -ENOTTY;

		val = DIV_ROUND_UP(dev->min_timeout, 1000);

		break;



	case LIRC_GET_MAX_TIMEOUT:

		if (!dev->max_timeout)

			return -ENOSYS;

			return -ENOTTY;

		val = dev->max_timeout / 1000;

		break;



	case LIRC_SET_REC_TIMEOUT:

		if (!dev->max_timeout)

			return -ENOSYS;

			return -ENOTTY;



		tmp = val * 1000;

drivers/media/rc/lirc_dev.c

+1 −1
Original line number Diff line number Diff line
@@ -623,7 +623,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
		result = put_user(ir->d.max_timeout, (__u32 __user *)arg);

		break;

	default:

		result = -EINVAL;

		result = -ENOTTY;

	}



	mutex_unlock(&ir->irctl_lock);

CRA Git | Maintained and supported by SUSTech CRA and CCSE