netdev - Re: [PATCH net v3] net: atm: Fix incorrect net

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Message-ID: <208fe08d.af32.197d85c6fb6.Coremail.linma@zju.edu.cn>
Date: Sat, 5 Jul 2025 10:13:46 +0800 (GMT+08:00)
From: "Lin Ma" <linma@....edu.cn>
To: "kernel test robot" <lkp@...el.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, horms@...nel.org, mingo@...nel.org,
	tglx@...utronix.de, pwn9uin@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
	oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH net v3] net: atm: Fix incorrect net_device lec check

Hi robot,

> 
> Hi Lin,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on net/main]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Lin-Ma/net-atm-Fix-incorrect-net_device-lec-check/20250703-132727
> base:   net/main
> patch link:    https://lore.kernel.org/r/20250703052427.12626-1-linma%40zju.edu.cn
> patch subject: [PATCH net v3] net: atm: Fix incorrect net_device lec check
> config: x86_64-randconfig-078-20250705 (https://download.01.org/0day-ci/archive/20250705/202507050831.2GTrUnFN-lkp@intel.com/config)
> compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250705/202507050831.2GTrUnFN-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202507050831.2GTrUnFN-lkp@intel.com/
> 
> All errors (new ones prefixed by >>, old ones prefixed by <<):
> 
> >> ERROR: modpost: "is_netdev_lec" [net/atm/mpoa.ko] undefined!
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki

You are right, this patch just compile when CONFIG_ATM=y but raise
error if CONFIG_ATM=m. I'm so stupid that I made this symbol mistake :(

Under fixing it currently.

Thanks
Lin