Re: [PATCH] tpm: Fix compilation warning when CONFIG_PNP is not defined

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On Sun, 17 Jul 2011 07:55:58 -0400 Stefan Berger wrote:

> The is_itpm() function is only accessed from a block surrounded by
> #ifdef CONFIG_PNP. Therefore, also surround it with #ifdef CONFIG_PNP
> and remove the #else branch causing the warning.
> 
> http://lxr.linux.no/#linux+v2.6.39/drivers/char/tpm/tpm_tis.c#L622
> 
> Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxxxxxxx>

Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Acked-by:  Randy Dunlap <rdunlap@xxxxxxxxxxxx>

Thanks.

> 
> ---
>  drivers/char/tpm/tpm_tis.c |    7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> Index: linux-2.6/drivers/char/tpm/tpm_tis.c
> ===================================================================
> --- linux-2.6.orig/drivers/char/tpm/tpm_tis.c
> +++ linux-2.6/drivers/char/tpm/tpm_tis.c
> @@ -80,7 +80,7 @@ enum tis_defaults {
>  static LIST_HEAD(tis_chips);
>  static DEFINE_SPINLOCK(tis_lock);
>  
> -#ifdef CONFIG_ACPI
> +#ifdef CONFIG_PNPN
>  static int is_itpm(struct pnp_dev *dev)
>  {
>  	struct acpi_device *acpi = pnp_acpi_device(dev);
> @@ -93,11 +93,6 @@ static int is_itpm(struct pnp_dev *dev)
>  
>  	return 0;
>  }
> -#else
> -static int is_itpm(struct pnp_dev *dev)
> -{
> -	return 0;
> -}
>  #endif
>  
>  static int check_locality(struct tpm_chip *chip, int l)
> 


---
~Randy
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