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authorSean Young <sean@mess.org>2017-01-26 20:19:33 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-03-24 13:44:42 +0300
commit5c8627586942b0269f81e3296dabe9f049815779 (patch)
treef1fd9db3e346e8a1e0eea83ac6accb62b7b80c5f /drivers/media/rc
parenta8b875a54990415603d180e0c4bf31ce7d876c3a (diff)
downloadlinux-5c8627586942b0269f81e3296dabe9f049815779.tar.xz
[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: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/ir-lirc-codec.c20
-rw-r--r--drivers/media/rc/lirc_dev.c2
2 files changed, 11 insertions, 11 deletions
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index 8517d5153fcf..637b583963e3 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -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;
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 393dccaabdd0..e930c0598d3f 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -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);