Re: [PATCH] staging: goldfish: Coding Style Fix Comparison to NULL could be written "!r"

[Greg KH <gregkh@linuxfoundation.org>]

On Fri, Dec 11, 2015 at 04:39:26PM -0500, Benjamin Young wrote:
> Fixed coding style for null comparisons in goldfish_audio.c to be more consistant
> with the rest of the kernel coding style
> 
> Signed-off-by: Benjamin Young <youngcdev@gmail.com>
> ---
>  drivers/staging/goldfish/goldfish_audio.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
> index f1e1838..364fdcd 100644
> --- a/drivers/staging/goldfish/goldfish_audio.c
> +++ b/drivers/staging/goldfish/goldfish_audio.c
> @@ -280,12 +280,12 @@ static int goldfish_audio_probe(struct platform_device *pdev)
>  	platform_set_drvdata(pdev, data);
>  
>  	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (r == NULL) {
> +	if (!r) {
>  		dev_err(&pdev->dev, "platform_get_resource failed\n");
>  		return -ENODEV;
>  	}
>  	data->reg_base = devm_ioremap(&pdev->dev, r->start, PAGE_SIZE);
> -	if (data->reg_base == NULL)
> +	if (!data->reg_base)
>  		return -ENOMEM;
>  
>  	data->irq = platform_get_irq(pdev, 0);
> @@ -295,7 +295,7 @@ static int goldfish_audio_probe(struct platform_device *pdev)
>  	}
>  	data->buffer_virt = dmam_alloc_coherent(&pdev->dev,
>  				COMBINED_BUFFER_SIZE, &buf_addr, GFP_KERNEL);
> -	if (data->buffer_virt == NULL) {
> +	if (!data->buffer_virt) {
>  		dev_err(&pdev->dev, "allocate buffer failed\n");
>  		return -ENOMEM;
>  	}

Same here, someone beat you to it.