linux-kernel - Re: drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c:58:6: error: redefinition of 'brcmf_debugfs

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Message-ID: <8737fe46kn.fsf@codeaurora.org>
Date:   Thu, 16 Feb 2017 15:18:48 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Arend Van Spriel <arend.vanspriel@...adcom.com>
Cc:     Rafał Miłecki <rafal@...ecki.pl>,
        Randy Dunlap <rdunlap@...radead.org>,
        kbuild test robot <fengguang.wu@...el.com>,
        kbuild-all@...org, linux-kernel@...r.kernel.org,
        linux-wireless@...r.kernel.org
Subject: Re: drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c:58:6: error: redefinition of 'brcmf_debugfs_init'

Arend Van Spriel <arend.vanspriel@...adcom.com> writes:

> On 16-2-2017 11:01, Kalle Valo wrote:
>> Arend Van Spriel <arend.vanspriel@...adcom.com> writes:
>> 
>>> On 16-2-2017 10:39, Rafał Miłecki wrote:
>>>> On 02/16/2017 10:31 AM, Kalle Valo wrote:
>>>>> (Adding linux-wireless)
>>>>>
>>>>> Arend or Rafał, would you be able to look at this build problem? Kbuild
>>>>> found the build errors below, apparently a very old issue. It just
>>>>> blames me now because I moved the driver to a new directory :)
>>>
>>> It is a very old issue. The thing is that the issue can not really occur
>>> because we have this:
>>>
>>> # common flags
>>> subdir-ccflags-$(CONFIG_BRCMDBG)        += -DDEBUG
>>>
>>> in drivers/net/wireless/broadcom/brcm80211/Makefile. So no clue what
>>> happens in the "kbuild test robot" scenario.
>> 
>> I actually tried to reproduce this with kbuild bot's instructions and
>> was surprised to see that the build worked ok for me. So the issue is
>> not that simple.
>
> Hi Kalle,
>
> Here is the old email exchange we had about this [1]. In my opinion this
> is a Kbuild issue that needs to be looked into.
>
> Regards,
> Arend
>
> [1] http://www.spinics.net/lists/linux-wireless/msg142122.html

Heh, I had completely forgotten that we had discussed this before :)

Fengguang and the kbuild bot team, do you have any ideas why only the
bot is seeing this?

-- 
Kalle Valo