Re: [PATCH -next] ata: pata_macio: fix comparing pointer to 0

[Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>]

On 1/21/20 2:28 AM, Chen Zhou wrote:
> Fixes coccicheck warning:
> 
> ./drivers/ata/pata_macio.c:982:31-32:
> 	WARNING comparing pointer to 0, suggest !E
> 
> Compare pointer-typed values to NULL rather than 0.
> 
> Signed-off-by: Chen Zhou <chenzhou10@huawei.com>

Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> ---
>  drivers/ata/pata_macio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
> index 1bfd015..e47a282 100644
> --- a/drivers/ata/pata_macio.c
> +++ b/drivers/ata/pata_macio.c
> @@ -979,7 +979,7 @@ static void pata_macio_invariants(struct pata_macio_priv *priv)
>  	priv->aapl_bus_id =  bidp ? *bidp : 0;
>  
>  	/* Fixup missing Apple bus ID in case of media-bay */
> -	if (priv->mediabay && bidp == 0)
> +	if (priv->mediabay && !bidp)
>  		priv->aapl_bus_id = 1;
>  }
>