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From: Hans Verkuil <hverkuil@xs4all.nl>
To: Martiros Shakhzadyan <vrzh@vrzh.net>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	linux-media@vger.kernel.org
Subject: Re: [PATCHv2 5/8] staging: media: atomisp: Refactor ia_css_stream_load()
Date: Fri, 23 Apr 2021 11:26:24 +0200	[thread overview]
Message-ID: <7edb21ff-23b5-8195-877f-829bf17bf6bb@xs4all.nl> (raw)
In-Reply-To: <20210420150356.579395-1-vrzh@vrzh.net>

On 20/04/2021 17:03, Martiros Shakhzadyan wrote:
> Move the support check to the beginning of the function.
> Change the logic to avoid multiple nesting blocks.
> Move variable assignment outside of the if statement.
> Remove an unnecessary check.
> 
> Signed-off-by: Martiros Shakhzadyan <vrzh@vrzh.net>
> ---
>  drivers/staging/media/atomisp/pci/sh_css.c | 72 +++++++++++-----------
>  1 file changed, 35 insertions(+), 37 deletions(-)
> 
> diff --git a/drivers/staging/media/atomisp/pci/sh_css.c b/drivers/staging/media/atomisp/pci/sh_css.c
> index 4d4f030e0fe0..bd96c4ab04d0 100644
> --- a/drivers/staging/media/atomisp/pci/sh_css.c
> +++ b/drivers/staging/media/atomisp/pci/sh_css.c
> @@ -9615,48 +9615,46 @@ ia_css_stream_get_info(const struct ia_css_stream *stream,
>  int
>  ia_css_stream_load(struct ia_css_stream *stream)
>  {
> -	if (!IS_ISP2401) {
> -		int i;
> -		int err;
> +	int i, j, err;
>  
> -		assert(stream);
> -		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,	"ia_css_stream_load() enter,\n");
> -		for (i = 0; i < MAX_ACTIVE_STREAMS; i++) {
> -			if (my_css_save.stream_seeds[i].stream == stream) {
> -				int j;
> -
> -				for (j = 0; j < my_css_save.stream_seeds[i].num_pipes; j++) {
> -					if ((err = ia_css_pipe_create(&my_css_save.stream_seeds[i].pipe_config[j],
> -								    &my_css_save.stream_seeds[i].pipes[j])) != 0) {
> -						if (j) {
> -							int k;
> -
> -							for (k = 0; k < j; k++)
> -								ia_css_pipe_destroy(my_css_save.stream_seeds[i].pipes[k]);
> -						}
> -						return err;
> -					}
> -				}
> -				err = ia_css_stream_create(&my_css_save.stream_seeds[i].stream_config,
> -							my_css_save.stream_seeds[i].num_pipes,
> -							my_css_save.stream_seeds[i].pipes,
> -							&my_css_save.stream_seeds[i].stream);
> -				if (err) {
> -					ia_css_stream_destroy(stream);
> -					for (j = 0; j < my_css_save.stream_seeds[i].num_pipes; j++)
> -						ia_css_pipe_destroy(my_css_save.stream_seeds[i].pipes[j]);
> -					return err;
> -				}
> -				break;
> -			}
> -		}
> -		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,	"ia_css_stream_load() exit,\n");
> -		return 0;
> -	} else {
> +	if (IS_ISP2401) {
>  		/* TODO remove function - DEPRECATED */
>  		(void)stream;
>  		return -ENOTSUPP;
>  	}
> +
> +	assert(stream);
> +	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,	"ia_css_stream_load() enter,\n");
> +	for (i = 0; i < MAX_ACTIVE_STREAMS; i++) {
> +		if (my_css_save.stream_seeds[i].stream != stream)
> +			continue;
> +
> +		for (j = 0; j < my_css_save.stream_seeds[i].num_pipes; j++) {
> +			int k;
> +
> +			err = ia_css_pipe_create(&my_css_save.stream_seeds[i].pipe_config[j],
> +						 &my_css_save.stream_seeds[i].pipes[j]);
> +			if (!err)
> +				continue;
> +
> +			for (k = 0; k < j; k++)
> +				ia_css_pipe_destroy(my_css_save.stream_seeds[i].pipes[k]);
> +			return err;
> +		}
> +		err = ia_css_stream_create(&my_css_save.stream_seeds[i].stream_config,
> +					   my_css_save.stream_seeds[i].num_pipes,
> +					   my_css_save.stream_seeds[i].pipes,
> +					   &my_css_save.stream_seeds[i].stream);
> +		if (err) {
> +			ia_css_stream_destroy(stream);
> +			for (j = 0; j < my_css_save.stream_seeds[i].num_pipes; j++)
> +				ia_css_pipe_destroy(my_css_save.stream_seeds[i].pipes[j]);
> +			return err;
> +		}

You dropped a 'break' here!

Regards,

	Hans

> +	}
> +
> +	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,	"ia_css_stream_load() exit,\n");
> +	return 0;
>  }
>  
>  int
> 


  reply	other threads:[~2021-04-23  9:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-20 15:03 [PATCHv2 5/8] staging: media: atomisp: Refactor ia_css_stream_load() Martiros Shakhzadyan
2021-04-23  9:26 ` Hans Verkuil [this message]
2021-04-23  9:28 ` Hans Verkuil

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