Re: [PATCH] media: davinci: vpif: add check for NULL handler

From: Mauro Carvalho Chehab
Date: Wed Sep 26 2012 - 16:07:37 EST


Em Thu, 16 Aug 2012 19:32:00 +0530
Prabhakar Lad <prabhakar.lad@xxxxxx> escreveu:

It is amazing how many SOB's/acks are in this patch and nobody
asked you to provide a patch description... the subject just
tells what the code is also telling. Could you please provide
a better patch description?

Thanks!
Mauro

> From: Lad, Prabhakar <prabhakar.lad@xxxxxx>
>
> Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
> Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
> Cc: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> ---
> drivers/media/video/davinci/vpif_capture.c | 12 +++++++-----
> drivers/media/video/davinci/vpif_display.c | 14 ++++++++------
> 2 files changed, 15 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/media/video/davinci/vpif_capture.c b/drivers/media/video/davinci/vpif_capture.c
> index 266025e..a87b7a5 100644
> --- a/drivers/media/video/davinci/vpif_capture.c
> +++ b/drivers/media/video/davinci/vpif_capture.c
> @@ -311,12 +311,14 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
> }
>
> /* configure 1 or 2 channel mode */
> - ret = vpif_config_data->setup_input_channel_mode
> - (vpif->std_info.ycmux_mode);
> + if (vpif_config_data->setup_input_channel_mode) {
> + ret = vpif_config_data->setup_input_channel_mode
> + (vpif->std_info.ycmux_mode);
>
> - if (ret < 0) {
> - vpif_dbg(1, debug, "can't set vpif channel mode\n");
> - return ret;
> + if (ret < 0) {
> + vpif_dbg(1, debug, "can't set vpif channel mode\n");
> + return ret;
> + }
> }
>
> /* Call vpif_set_params function to set the parameters and addresses */
> diff --git a/drivers/media/video/davinci/vpif_display.c b/drivers/media/video/davinci/vpif_display.c
> index e129c98..1e35f92 100644
> --- a/drivers/media/video/davinci/vpif_display.c
> +++ b/drivers/media/video/davinci/vpif_display.c
> @@ -280,12 +280,14 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
> }
>
> /* clock settings */
> - ret =
> - vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode,
> - ch->vpifparams.std_info.hd_sd);
> - if (ret < 0) {
> - vpif_err("can't set clock\n");
> - return ret;
> + if (vpif_config_data->set_clock) {
> + ret =
> + vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode,
> + ch->vpifparams.std_info.hd_sd);
> + if (ret < 0) {
> + vpif_err("can't set clock\n");
> + return ret;
> + }
> }
>
> /* set the parameters and addresses */




Cheers,
Mauro
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