linux-kernel - Re: [PATCH] staging: pi433: use IS_ERR to check kthread

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Date:   Sat, 22 Jul 2017 12:31:55 +0200
From:   Paolo Cretaro <paolocretaro@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     linux@...f-Entwicklungen.de, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: pi433: use IS_ERR to check kthread_run return
 value

On 22/07/2017 12:27, Paolo Cretaro wrote:
> Fix compiler warning: ordered comparison of pointer with integer zero

Sorry, just noticed a similar patch has been submitted a few days ago,
please ignore this patch.

Paolo

> 
> Signed-off-by: Paolo Cretaro <paolocretaro@...il.com>
> ---
>  drivers/staging/pi433/pi433_if.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
> index 1bc478a7f49e..79bd19123239 100644
> --- a/drivers/staging/pi433/pi433_if.c
> +++ b/drivers/staging/pi433/pi433_if.c
> @@ -1152,7 +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;
>