Re: [patch] cx231xx: card->driver "Conexant cx231xx Audio" too long

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At Fri, 19 Mar 2010 14:49:57 +0300,
Dan Carpenter wrote:
> 
> card->driver is 15 characters and a NULL, the original code could 
> cause a buffer overflow.
> 
> Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

This should rather a string without spaces because this string is used
as an identifier in alsa-lib.
Better to use "Cx231xx" or "Cx231xx-Audio".


Takashi

> 
> diff --git a/drivers/media/video/cx231xx/cx231xx-audio.c b/drivers/media/video/cx231xx/cx231xx-audio.c
> index 7793d60..b3282ae 100644
> --- a/drivers/media/video/cx231xx/cx231xx-audio.c
> +++ b/drivers/media/video/cx231xx/cx231xx-audio.c
> @@ -495,7 +495,7 @@ static int cx231xx_audio_init(struct cx231xx *dev)
>  	pcm->info_flags = 0;
>  	pcm->private_data = dev;
>  	strcpy(pcm->name, "Conexant cx231xx Capture");
> -	strcpy(card->driver, "Conexant cx231xx Audio");
> +	strcpy(card->driver, "Cx231xx Audio");
>  	strcpy(card->shortname, "Cx231xx Audio");
>  	strcpy(card->longname, "Conexant cx231xx Audio");
>  
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