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References: <20210610171553.3806-1-nramas@linux.microsoft.com>
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From:   Rob Herring <robh@kernel.org>
Date:   Thu, 10 Jun 2021 12:34:18 -0500
Message-ID: <CAL_JsqKcypxO+6X3MgjGGvBYELcOi34TjoscMMrkB4PApquuQQ@mail.gmail.com>
Subject: Re: [PATCH 1/2] ima: Fix warning: no previous prototype for function 'ima_add_kexec_buffer'
To:     Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Cc:     Mimi Zohar <zohar@linux.ibm.com>,
        Thiago Jung Bauermann <bauerman@linux.ibm.com>,
        kbuild-all@lists.01.org,
        clang-built-linux <clang-built-linux@googlegroups.com>,
        linux-integrity@vger.kernel.org,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        tusharsu@linux.microsoft.com
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On Thu, Jun 10, 2021 at 12:16 PM Lakshmi Ramasubramanian
<nramas@linux.microsoft.com> wrote:
>
> The function prototype for ima_add_kexec_buffer() is present
> in 'linux/ima.h'.  But this header file is not included in
> ima_kexec.c where the function is implemented.  This results
> in the following compiler warning when "-Wmissing-prototypes" flag
> is turned on:
>
>   security/integrity/ima/ima_kexec.c:81:6: warning: no previous prototype
>   for function 'ima_add_kexec_buffer' [-Wmissing-prototypes]
>
> Include the header file 'linux/ima.h' in ima_kexec.c to fix
> the compiler warning.
>
> Fixes: dce92f6b11c3 (arm64: Enable passing IMA log to next kernel on kexec)
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
> ---
>  security/integrity/ima/ima_kexec.c | 1 +
>  1 file changed, 1 insertion(+)

Acked-by: Rob Herring <robh@kernel.org>