diff options
Diffstat (limited to 'drivers/media/rc/rc-main.c')
| -rw-r--r-- | drivers/media/rc/rc-main.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 7741151606ef..6f80c251f641 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -1891,23 +1891,28 @@ int rc_register_device(struct rc_dev *dev) dev->registered = true; - if (dev->driver_type != RC_DRIVER_IR_RAW_TX) { - rc = rc_setup_rx_device(dev); - if (rc) - goto out_dev; - } - - /* Ensure that the lirc kfifo is setup before we start the thread */ + /* + * once the the input device is registered in rc_setup_rx_device, + * userspace can open the input device and rc_open() will be called + * as a result. This results in driver code being allowed to submit + * keycodes with rc_keydown, so lirc must be registered first. + */ if (dev->allowed_protocols != RC_PROTO_BIT_CEC) { rc = ir_lirc_register(dev); if (rc < 0) - goto out_rx; + goto out_dev; + } + + if (dev->driver_type != RC_DRIVER_IR_RAW_TX) { + rc = rc_setup_rx_device(dev); + if (rc) + goto out_lirc; } if (dev->driver_type == RC_DRIVER_IR_RAW) { rc = ir_raw_event_register(dev); if (rc < 0) - goto out_lirc; + goto out_rx; } dev_dbg(&dev->dev, "Registered rc%u (driver: %s)\n", dev->minor, @@ -1915,11 +1920,11 @@ int rc_register_device(struct rc_dev *dev) return 0; +out_rx: + rc_free_rx_device(dev); out_lirc: if (dev->allowed_protocols != RC_PROTO_BIT_CEC) ir_lirc_unregister(dev); -out_rx: - rc_free_rx_device(dev); out_dev: device_del(&dev->dev); out_rx_free: |