Re: [PATCH] [media] v4l: vb2: fix error return code in __vb2_init_fileio()

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Hi Wei,

On Mon, May 13, 2013 at 01:48:45PM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
> 
> Fix to return -EINVAL in the get kernel address error handling
> case instead of 0, as done elsewhere in this function.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
> ---
>  drivers/media/v4l2-core/videobuf2-core.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
> index 7d833ee..7bd3ee6 100644
> --- a/drivers/media/v4l2-core/videobuf2-core.c
> +++ b/drivers/media/v4l2-core/videobuf2-core.c
> @@ -2193,8 +2193,10 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
>  	 */
>  	for (i = 0; i < q->num_buffers; i++) {
>  		fileio->bufs[i].vaddr = vb2_plane_vaddr(q->bufs[i], 0);
> -		if (fileio->bufs[i].vaddr == NULL)
> +		if (fileio->bufs[i].vaddr == NULL) {
> +			ret = -EINVAL;
>  			goto err_reqbufs;
> +		}
>  		fileio->bufs[i].size = vb2_plane_size(q->bufs[i], 0);
>  	}
>  
> 

Nice patch!

Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxx>

-- 
Kind regards,

Sakari Ailus
e-mail: sakari.ailus@xxxxxx	XMPP: sailus@xxxxxxxxxxxxxx
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