Re: [PATCH] iwlagn: fix *_UCODE_API_MAX output in the firmwarefield

From: Guy, Wey-Yi
Date: Sun Jun 12 2011 - 11:21:09 EST


On Sun, 2011-06-12 at 05:34 -0700, Evgeni Golov wrote:
> Currently (3.0-rc2), modinfo iwlagn shows:
> firmware: iwlwifi-5150-IWL5150_UCODE_API_MAX.ucode
> firmware: iwlwifi-5000-IWL5000_UCODE_API_MAX.ucode
> firmware: iwlwifi-6000g2b-IWL6000G2_UCODE_API_MAX.ucode
> firmware: iwlwifi-6000g2a-IWL6000G2_UCODE_API_MAX.ucode
> firmware: iwlwifi-6050-IWL6050_UCODE_API_MAX.ucode
> firmware: iwlwifi-6000-IWL6000_UCODE_API_MAX.ucode
> firmware: iwlwifi-100-IWL100_UCODE_API_MAX.ucode
> firmware: iwlwifi-1000-IWL1000_UCODE_API_MAX.ucode
> firmware: iwlwifi-105-IWL105_UCODE_API_MAX.ucode
> firmware: iwlwifi-2030-IWL2030_UCODE_API_MAX.ucode
> firmware: iwlwifi-2000-IWL2000_UCODE_API_MAX.ucode
>
> which is obviously wrong, the user should not see the *_UCODE_API_MAX
> macros but the actual ucode API versions here.
>
> The problem are the
> #define *_MODULE_FIRMWARE(api) *_FW_PRE #api ".ucode"
> which do not expand api correctly (because this is a macro itself).
>
> Fixed by using __stringify() from linux/stringify.h.
>
> Further information about macro stringification can be found here:
> http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
>
> Signed-off-by: Evgeni Golov <sargentd@xxxxxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>

Good catch, thank you very much

Wey




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