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Date:   Sun, 19 Jun 2022 06:02:32 +0800
From:   kernel test robot <lkp@intel.com>
To:     Max Staudt <max@enpas.org>,
        Wolfgang Grandegger <wg@grandegger.com>,
        Marc Kleine-Budde <mkl@pengutronix.de>
Cc:     kbuild-all@lists.01.org, linux-can@vger.kernel.org,
        Vincent Mailhol <vincent.mailhol@gmail.com>,
        Oliver Neukum <oneukum@suse.com>, linux-kernel@vger.kernel.org,
        Max Staudt <max@enpas.org>
Subject: Re: [PATCH v9] can, tty: can327 CAN/ldisc driver for ELM327 based
 OBD-II adapters
Message-ID: <202206190533.0uzpvGYN-lkp@intel.com>
References: <20220618195031.10975-1-max@enpas.org>
MIME-Version: 1.0
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In-Reply-To: <20220618195031.10975-1-max@enpas.org>
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Hi Max,

I love your patch! Yet something to improve:

[auto build test ERROR on mkl-can-next/testing]
[also build test ERROR on linus/master v5.19-rc2 next-20220617]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Max-Staudt/can-tty-can327-CAN-ldisc-driver-for-ELM327-based-OBD-II-adapters/20220619-035333
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220619/202206190533.0uzpvGYN-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/2338446348d90b3793e53238f210299f13bf6ec4
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Max-Staudt/can-tty-can327-CAN-ldisc-driver-for-ELM327-based-OBD-II-adapters/20220619-035333
        git checkout 2338446348d90b3793e53238f210299f13bf6ec4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/net/can/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/net/can/can327.c:1104:27: error: 'N_CAN327' undeclared here (not in a function)
    1104 |         .num            = N_CAN327,
         |                           ^~~~~~~~


vim +/N_CAN327 +1104 drivers/net/can/can327.c

  1100	
  1101	static struct tty_ldisc_ops can327_ldisc = {
  1102		.owner		= THIS_MODULE,
  1103		.name		= "can327",
> 1104		.num		= N_CAN327,
  1105		.receive_buf	= can327_ldisc_rx,
  1106		.write_wakeup	= can327_ldisc_tx_wakeup,
  1107		.open		= can327_ldisc_open,
  1108		.close		= can327_ldisc_close,
  1109		.ioctl		= can327_ldisc_ioctl,
  1110	};
  1111	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp