[alsa-devel] [PATCH] Make firmware vs driver major version mismatch an error.

[Takashi Iwai]

At Wed, 03 Feb 2010 10:07:37 +1300,
linux at audioscience.com wrote:
> 
> From: Eliot Blennerhassett <eblennerhassett at audioscience.com>
> 
> I.e. incompatible firmware will fail driver load.
> 
> Signed-off-by: Eliot Blennerhassett <eblennerhassett at audioscience.com>

Applied now.  Thanks.


Takashi

> ---
>  pci/asihpi/hpidspcd.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/pci/asihpi/hpidspcd.c b/pci/asihpi/hpidspcd.c
> index 8c0f251..f58d5a0 100644
> --- a/pci/asihpi/hpidspcd.c
> +++ b/pci/asihpi/hpidspcd.c
> @@ -103,6 +103,13 @@ short HpiDspCode_Open(
>  		goto error2;
>  	}
>  
> +	if (header.version / 10000 != HPI_VER_DECIMAL / 10000) {
> +		HPI_DEBUG_LOG(ERROR,
> +			"Firmware Major Version mismatch  DSP image %d != Driver %d\n",
> +			header.version, HPI_VER_DECIMAL);
> +		goto error2;
> +	}
> +
>  	if (header.version != HPI_VER_DECIMAL) {
>  		HPI_DEBUG_LOG(WARNING,
>  			"Version mismatch  DSP image %d != Driver %d\n",
> -- 
> 1.7.0.rc0.8.ge3f67d
>