On Fri, 2012-09-07 at 10:29 +0200, Jens Taprogge wrote:
> ~0 can not be casted to u8.  Instead of using the IPACK_ANY_ID for the format
> field we introduce a new IPACK_ANY_FORMAT specifically for that field and
> defined as 0xff.
> 
> Reported-by: Dan Carpenter <[email protected]>
> Signed-off-by: Jens Taprogge <[email protected]>
> ---
>  drivers/staging/ipack/ipack.c   |    3 ++-
>  include/linux/mod_devicetable.h |    1 +
>  scripts/mod/file2alias.c        |    2 +-
>  3 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/ipack/ipack.c b/drivers/staging/ipack/ipack.c
> index b3736c0..659aadc 100644
> --- a/drivers/staging/ipack/ipack.c
> +++ b/drivers/staging/ipack/ipack.c
> @@ -31,7 +31,8 @@ static inline const struct ipack_device_id *
>  ipack_match_one_device(const struct ipack_device_id *id,
>                      const struct ipack_device *device)
>  {
> -     if ((id->format == IPACK_ANY_ID || id->format == device->id_format) &&
> +     if ((id->format == IPACK_ANY_FORMAT ||
> +                             id->format == device->id_format) &&
>           (id->vendor == IPACK_ANY_ID || id->vendor == device->id_vendor) &&
>           (id->device == IPACK_ANY_ID || id->device == device->id_device))
>               return id;
> diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
> index 999c4c2..70c6a35 100644
> --- a/include/linux/mod_devicetable.h
> +++ b/include/linux/mod_devicetable.h
> @@ -600,6 +600,7 @@ struct x86_cpu_id {
>  #define X86_MODEL_ANY  0
>  #define X86_FEATURE_ANY 0    /* Same as FPU, you can't test for that */
>  
> +#define IPACK_ANY_FORMAT 0xff
>  #define IPACK_ANY_ID (~0)
>  struct ipack_device_id {
>       __u8  format;                   /* Format version or IPACK_ANY_ID */
> diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
> index 3c22bda..df4fc23 100644
> --- a/scripts/mod/file2alias.c
> +++ b/scripts/mod/file2alias.c
> @@ -973,7 +973,7 @@ static int do_ipack_entry(const char *filename,
>       id->vendor = TO_NATIVE(id->vendor);
>       id->device = TO_NATIVE(id->device);
>       strcpy(alias, "ipack:");
> -     ADD(alias, "f", id->format != IPACK_ANY_ID, id->format);
> +     ADD(alias, "f", id->format != IPACK_ANY_FORMAT, id->format);
>       ADD(alias, "v", id->vendor != IPACK_ANY_ID, id->vendor);
>       ADD(alias, "d", id->device != IPACK_ANY_ID, id->device);
>       add_wildcard(alias);

Acked-by: Samuel Iglesias Gonsálvez <[email protected]>

Thanks,

Sam

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