From 5c8627586942b0269f81e3296dabe9f049815779 Mon Sep 17 00:00:00 2001 From: Sean Young Date: Thu, 26 Jan 2017 15:19:33 -0200 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/ir-lirc-codec.c | 20 ++++++++++---------- drivers/media/rc/lirc_dev.c | 2 +- 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); -- 2.20.1