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Subject[PATCH 1/2] staging: pi433: fix (NULL device *) in log message
(NULL device *) is printed in log message in pi433_probe and
pi433_get_minor functions due to device->dev being used prior to call to
device_create function.

Signed-off-by: Marcin Ciupak <marcin.s.ciupak@gmail.com>
---
drivers/staging/pi433/pi433_if.c | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index d946838450d4..bc17676169cb 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -1051,7 +1051,7 @@ static int pi433_get_minor(struct pi433_device *device)
device->minor = retval;
retval = 0;
} else if (retval == -ENOSPC) {
- dev_err(device->dev, "too many pi433 devices\n");
+ dev_err(&device->spi->dev, "too many pi433 devices\n");
retval = -EINVAL;
}
mutex_unlock(&minor_lock);
@@ -1159,19 +1159,10 @@ static int pi433_probe(struct spi_device *spi)
SET_CHECKED(rf69_set_output_power_level (spi, 13));
SET_CHECKED(rf69_set_antenna_impedance (spi, fiftyOhm));

- /* start tx thread */
- device->tx_task_struct = kthread_run(pi433_tx_thread,
- device,
- "pi433_tx_task");
- if (IS_ERR(device->tx_task_struct)) {
- dev_dbg(device->dev, "start of send thread failed");
- goto send_thread_failed;
- }
-
/* determ minor number */
retval = pi433_get_minor(device);
if (retval) {
- dev_dbg(device->dev, "get of minor number failed");
+ dev_dbg(&spi->dev, "get of minor number failed");
goto minor_failed;
}

@@ -1194,6 +1185,15 @@ static int pi433_probe(struct spi_device *spi)
device->minor);
}

+ /* start tx thread */
+ device->tx_task_struct = kthread_run(pi433_tx_thread,
+ device,
+ "pi433_tx_task");
+ if (IS_ERR(device->tx_task_struct)) {
+ dev_dbg(device->dev, "start of send thread failed");
+ goto send_thread_failed;
+ }
+
/* create cdev */
device->cdev = cdev_alloc();
device->cdev->owner = THIS_MODULE;
@@ -1210,12 +1210,12 @@ static int pi433_probe(struct spi_device *spi)
return 0;

cdev_failed:
+ kthread_stop(device->tx_task_struct);
+send_thread_failed:
device_destroy(pi433_class, device->devt);
device_create_failed:
pi433_free_minor(device);
minor_failed:
- kthread_stop(device->tx_task_struct);
-send_thread_failed:
free_GPIOs(device);
GPIO_failed:
kfree(device);
--
2.15.0
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