linux-kernel - Re: [PATCH 48/49] sound/oss/dev

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Date:	Mon, 22 Nov 2010 07:59:56 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Joe Perches <joe@...ches.com>
Cc:	Jiri Kosina <trivial@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 48/49] sound/oss/dev_table.c: Use vzalloc

At Thu,  4 Nov 2010 20:08:12 -0700,
Joe Perches wrote:
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

Thanks, applied.
[Sorry to be late, this has been already applied in my tree but this
 reply mail wasn't triggered to be sent out until now...]


Takashi

> ---
>  sound/oss/dev_table.c |    6 ++----
>  1 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/oss/dev_table.c b/sound/oss/dev_table.c
> index 727bdb9..d8cf3e5 100644
> --- a/sound/oss/dev_table.c
> +++ b/sound/oss/dev_table.c
> @@ -71,7 +71,7 @@ int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver,
>  	if (sound_nblocks >= MAX_MEM_BLOCKS)
>  		sound_nblocks = MAX_MEM_BLOCKS - 1;
>  
> -	op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct audio_operations)));
> +	op = (struct audio_operations *) (sound_mem_blocks[sound_nblocks] = vzalloc(sizeof(struct audio_operations)));
>  	sound_nblocks++;
>  	if (sound_nblocks >= MAX_MEM_BLOCKS)
>  		sound_nblocks = MAX_MEM_BLOCKS - 1;
> @@ -81,7 +81,6 @@ int sound_install_audiodrv(int vers, char *name, struct audio_driver *driver,
>  		sound_unload_audiodev(num);
>  		return -(ENOMEM);
>  	}
> -	memset((char *) op, 0, sizeof(struct audio_operations));
>  	init_waitqueue_head(&op->in_sleeper);
>  	init_waitqueue_head(&op->out_sleeper);	
>  	init_waitqueue_head(&op->poll_sleeper);
> @@ -128,7 +127,7 @@ int sound_install_mixer(int vers, char *name, struct mixer_operations *driver,
>  	/* FIXME: This leaks a mixer_operations struct every time its called
>  	   until you unload sound! */
>  	   
> -	op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vmalloc(sizeof(struct mixer_operations)));
> +	op = (struct mixer_operations *) (sound_mem_blocks[sound_nblocks] = vzalloc(sizeof(struct mixer_operations)));
>  	sound_nblocks++;
>  	if (sound_nblocks >= MAX_MEM_BLOCKS)
>  		sound_nblocks = MAX_MEM_BLOCKS - 1;
> @@ -137,7 +136,6 @@ int sound_install_mixer(int vers, char *name, struct mixer_operations *driver,
>  		printk(KERN_ERR "Sound: Can't allocate mixer driver for (%s)\n", name);
>  		return -ENOMEM;
>  	}
> -	memset((char *) op, 0, sizeof(struct mixer_operations));
>  	memcpy((char *) op, (char *) driver, driver_size);
>  
>  	strlcpy(op->name, name, sizeof(op->name));
> -- 
> 1.7.3.1.g432b3.dirty
> 
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