Re: [PATCH 2/5] media: davinci: fix return value check in vpbe_display_reqbufs().

Prabhakar Lad
2012-12-12T05:22:45Z

Hi Cyril,

On Wed, Dec 12, 2012 at 5:54 AM, Cyril Roelandt <tipecaml@gmail.com> wrote:
> vb2_dma_contig_init_ctx() returns ERR_PTR and never returns NULL, so IS_ERR
> should be used instead of a NULL check.
>
patch fixing this issue has been already posted with a better fix
https://patchwork.kernel.org/patch/1830231/

Regards,
--Prabhakar Lad

> Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
> ---
> drivers/media/platform/davinci/vpbe_display.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
> index 2bfde79..2db4eff 100644
> --- a/drivers/media/platform/davinci/vpbe_display.c
> +++ b/drivers/media/platform/davinci/vpbe_display.c
> @@ -1393,7 +1393,7 @@ static int vpbe_display_reqbufs(struct file *file, void *priv,
> }
> /* Initialize videobuf queue as per the buffer type */
> layer->alloc_ctx = vb2_dma_contig_init_ctx(vpbe_dev->pdev);
> - if (!layer->alloc_ctx) {
> + if (IS_ERR(layer->alloc_ctx)) {
> v4l2_err(&vpbe_dev->v4l2_dev, "Failed to get the context\n");
> return -EINVAL;
> }
> --
> 1.7.10.4
>
> --
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