Re: [PATCH] ALSA: pcm: Drop unused snd_pcm_substream.file field

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Dne 23.1.2019 v 15:38 Takashi Iwai napsal(a):
> It's assigned but nowhere used.  Let's remove it.
> 
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>

Reviewed-by: Jaroslav Kysela <perex@xxxxxxxx>

> ---
>  include/sound/pcm.h      | 1 -
>  sound/core/oss/pcm_oss.c | 1 -
>  sound/core/pcm_native.c  | 4 +---
>  3 files changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/include/sound/pcm.h b/include/sound/pcm.h
> index 2c30c1ad1b0d..a20d3a48df00 100644
> --- a/include/sound/pcm.h
> +++ b/include/sound/pcm.h
> @@ -470,7 +470,6 @@ struct snd_pcm_substream {
>  	struct snd_pcm_group self_group;	/* fake group for non linked substream (with substream lock inside) */
>  	struct snd_pcm_group *group;		/* pointer to current group */
>  	/* -- assigned files -- */
> -	void *file;
>  	int ref_count;
>  	atomic_t mmap_count;
>  	unsigned int f_flags;
> diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
> index 467039b342b5..d5b0d7ba83c4 100644
> --- a/sound/core/oss/pcm_oss.c
> +++ b/sound/core/oss/pcm_oss.c
> @@ -2427,7 +2427,6 @@ static int snd_pcm_oss_open_file(struct file *file,
>  		}
>  
>  		pcm_oss_file->streams[idx] = substream;
> -		substream->file = pcm_oss_file;
>  		snd_pcm_oss_init_substream(substream, &setup[idx], minor);
>  	}
>  	
> diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
> index 26afb6b0889a..63640d3af9db 100644
> --- a/sound/core/pcm_native.c
> +++ b/sound/core/pcm_native.c
> @@ -2452,10 +2452,8 @@ static int snd_pcm_open_file(struct file *file,
>  		return -ENOMEM;
>  	}
>  	pcm_file->substream = substream;
> -	if (substream->ref_count == 1) {
> -		substream->file = pcm_file;
> +	if (substream->ref_count == 1)
>  		substream->pcm_release = pcm_release_private;
> -	}
>  	file->private_data = pcm_file;
>  
>  	return 0;
> 


-- 
Jaroslav Kysela <perex@xxxxxxxx>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
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