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From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Gerd Hoffmann <kraxel@redhat.com>
Cc:     dri-devel@lists.freedesktop.org, daniel@ffwll.ch,
        Sumit Semwal <sumit.semwal@linaro.org>,
        "open list:DMA BUFFER SHARING FRAMEWORK" 
        <linux-media@vger.kernel.org>,
        "moderated list:DMA BUFFER SHARING FRAMEWORK" 
        <linaro-mm-sig@lists.linaro.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 11/13] udmabuf: drop WARN_ON() check.
Date:   Tue, 11 Sep 2018 18:07:10 +0300
Message-ID: <1547650.lRi8WmezH2@avalon>
Organization: Ideas on Board Oy
In-Reply-To: <20180911134216.9760-12-kraxel@redhat.com>
References: <20180911134216.9760-1-kraxel@redhat.com> <20180911134216.9760-12-kraxel@redhat.com>
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Hi Gerd,

Thank you for the patch.

On Tuesday, 11 September 2018 16:42:14 EEST Gerd Hoffmann wrote:

Still no commit message ? :-)

> Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  drivers/dma-buf/udmabuf.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
> index b637a8be6d..7a4fd2194d 100644
> --- a/drivers/dma-buf/udmabuf.c
> +++ b/drivers/dma-buf/udmabuf.c
> @@ -25,9 +25,6 @@ static int udmabuf_vm_fault(struct vm_fault *vmf)
>  	struct vm_area_struct *vma = vmf->vma;
>  	struct udmabuf *ubuf = vma->vm_private_data;
> 
> -	if (WARN_ON(vmf->pgoff >= ubuf->pagecount))
> -		return VM_FAULT_SIGBUS;
> -
>  	vmf->page = ubuf->pages[vmf->pgoff];
>  	get_page(vmf->page);
>  	return 0;


-- 
Regards,

Laurent Pinchart