Re: [PATCH 3/3][staging-next] staging: pi433: fix thread_run failure check

From: Wolf Entwicklungen
Date: Thu Jul 20 2017 - 07:02:50 EST


Reviewed-by: Marcus Wolf <linux@xxxxxxxxxxxxxxxxxxxxx>
Tested-by: Marcus Wolf <linux@xxxxxxxxxxxxxxxxxxxxx>

Am Di, 18.07.2017, 15:04 schrieb Colin King:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The check for thread_run failure is incorrect, use IS_ERR instead.
>
> Cleans up sparse error message:
> "error: incompatible types for operation (<)"
>
> Fixes: 874bcba65f9a ("staging: pi433: New driver")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/staging/pi433/pi433_if.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
> index 95930a192de4..266e572ae66e 100644
> --- a/drivers/staging/pi433/pi433_if.c
> +++ b/drivers/staging/pi433/pi433_if.c
> @@ -1152,8 +1152,7 @@ static int pi433_probe(struct spi_device *spi)
> device->tx_task_struct = kthread_run(pi433_tx_thread,
> device,
> "pi433_tx_task");
> - if (device->tx_task_struct < 0)
> - {
> + if (IS_ERR(device->tx_task_struct)) {
> dev_dbg(device->dev, "start of send thread failed");
> goto send_thread_failed;
> }
> --
> 2.11.0
>
>
>