linux-kernel - Re: [PATCH] dmaengine: mediatek: mtk-hsdma: use NULL instead of using plain integer as pointer

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Date:   Wed, 20 Apr 2022 17:20:24 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Haowen Bai <baihaowen@...zu.com>
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: mediatek: mtk-hsdma: use NULL instead of
 using plain integer as pointer

On 12-04-22, 15:59, Haowen Bai wrote:
> This fixes the following sparse warnings:
> drivers/dma/mediatek/mtk-hsdma.c:604:26: warning: Using plain integer
> as NULL pointer

Applied, thanks

> 
> Signed-off-by: Haowen Bai <baihaowen@...zu.com>
> ---
>  drivers/dma/mediatek/mtk-hsdma.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c
> index 6ad8afbb95f2..358894e72fba 100644
> --- a/drivers/dma/mediatek/mtk-hsdma.c
> +++ b/drivers/dma/mediatek/mtk-hsdma.c
> @@ -601,7 +601,7 @@ static void mtk_hsdma_free_rooms_in_ring(struct mtk_hsdma_device *hsdma)
>  			cb->flag = 0;
>  		}
>  
> -		cb->vd = 0;
> +		cb->vd = NULL;
>  
>  		/*
>  		 * Recycle the RXD with the helper WRITE_ONCE that can ensure
> -- 
> 2.7.4

-- 
~Vinod