On 03/23/2011 08:08 AM, Marek Belisko wrote:
> From: pixo <pixo@pixo-LIFEBOOK-E8310.(none)>
> 
> Firmware file needs to be read by 4bytes also on 64 bit architectures.
> Change long type to u32 and also extend checking. Tested on 32 and also
> 64 bit architectures.
> 
> Signed-off-by: Stano Lanci <[email protected]>
> Signed-off-by: Marek Belisko <[email protected]>
> 
> Tested-by: Stano Lanci <[email protected]>
> ---
>  drivers/staging/ft1000/ft1000-pcmcia/ft1000_dnld.c |   78 
> ++++++++++----------
>  1 files changed, 39 insertions(+), 39 deletions(-)
> 
> diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_dnld.c 
> b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_dnld.c
> index b0729fc..fb375ea 100644
> --- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_dnld.c
> +++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_dnld.c
> @@ -95,47 +95,47 @@ void put_request_value(struct net_device *dev, long 
> lvalue);
>  USHORT hdr_checksum(PPSEUDO_HDR pHdr);
>  
>  typedef struct _DSP_FILE_HDR {
> -     long build_date;
> -     long dsp_coff_date;
> -     long loader_code_address;
> -     long loader_code_size;
> -     long loader_code_end;
> -     long dsp_code_address;
> -     long dsp_code_size;
> -     long dsp_code_end;
> -     long reserved[8];
> +     u32  build_date;
> +     u32  dsp_coff_date;
> +     u32  loader_code_address;
> +     u32  loader_code_size;
> +     u32  loader_code_end;
> +     u32  dsp_code_address;
> +     u32  dsp_code_size;
> +     u32  dsp_code_end;
> +     u32  reserved[8];
>  } __attribute__ ((packed)) DSP_FILE_HDR, *PDSP_FILE_HDR;

As you also changed signedness, did you check (or do you know) that the
values cannot be negative?

Or at least the change doesn't affect code flow?

regards,
-- 
js
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