linux-kernel - Re: [PATCH 5.15 00/79] 5.15.76-rc1 review

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Date:   Thu, 27 Oct 2022 11:18:42 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org
Cc:     patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net
Subject: Re: [PATCH 5.15 00/79] 5.15.76-rc1 review

On 10/27/22 09:54, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.76 release.
> There are 79 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sat, 29 Oct 2022 16:50:35 +0000.
> Anything received after that time might be too late.
> 
Building arm64:allmodconfig ... failed
--------------
Error log:
In file included from drivers/cpufreq/tegra194-cpufreq.c:10:
drivers/cpufreq/tegra194-cpufreq.c:282:25: error: 'tegra194_cpufreq_of_match' undeclared here (not in a function); did you mean 'tegra194_cpufreq_data'?
   282 | MODULE_DEVICE_TABLE(of, tegra194_cpufreq_of_match);
       |                         ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/module.h:244:15: note: in definition of macro 'MODULE_DEVICE_TABLE'
   244 | extern typeof(name) __mod_##type##__##name##_device_table               \
       |               ^~~~
include/linux/module.h:244:21: error: conflicting types for '__mod_of__tegra194_cpufreq_of_match_device_table'; have 'const struct of_device_id[2]'
   244 | extern typeof(name) __mod_##type##__##name##_device_table               \
       |                     ^~~~~~
drivers/cpufreq/tegra194-cpufreq.c:417:1: note: in expansion of macro 'MODULE_DEVICE_TABLE'
   417 | MODULE_DEVICE_TABLE(of, tegra194_cpufreq_of_match);
       | ^~~~~~~~~~~~~~~~~~~
include/linux/module.h:244:21: note: previous declaration of '__mod_of__tegra194_cpufreq_of_match_device_table' with type 'int'
   244 | extern typeof(name) __mod_##type##__##name##_device_table               \
       |                     ^~~~~~
drivers/cpufreq/tegra194-cpufreq.c:282:1: note: in expansion of macro 'MODULE_DEVICE_TABLE'
   282 | MODULE_DEVICE_TABLE(of, tegra194_cpufreq_of_match);
       | ^~~~~~~~~~~~~~~~~~~
make[3]: [scripts/Makefile.build:289: drivers/cpufreq/tegra194-cpufreq.o] Error 1 (ignored)
ERROR: modpost: missing MODULE_LICENSE() in drivers/cpufreq/tegra194-cpufreq.o
make[2]: [scripts/Makefile.modpost:133: modules-only.symvers] Error 1 (ignored)

I don't know what exactly happened, but commit b281adc68db8 ("cpufreq:
tegra194: Fix module loading") introduces a second MODULE_DEVICE_TABLE
at the wrong location, causing the build failure.

Guenter