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Date:   Mon, 12 Oct 2020 01:59:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Oliver Hartkopp <socketcan@...tkopp.net>, kuba@...nel.org,
        netdev@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, mkl@...gutronix.de, davem@...emloft.net,
        linux-can@...r.kernel.org, Oliver Hartkopp <socketcan@...tkopp.net>
Subject: Re: [PATCH net-next v2 1/2] can-isotp: implement cleanups /
 improvements from review

Hi Oliver,

I love your patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Oliver-Hartkopp/can-isotp-implement-cleanups-improvements-from-review/20201012-000055
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git df41c19abbeaae6e24c8e31cff5fdb48632be380
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/693c9b4e8c5710e7b536ec9d6a969a7d7343a100
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Oliver-Hartkopp/can-isotp-implement-cleanups-improvements-from-review/20201012-000055
        git checkout 693c9b4e8c5710e7b536ec9d6a969a7d7343a100
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> net/can/isotp.c:82: warning: "pr_fmt" redefined
      82 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
         | 
   In file included from include/linux/kernel.h:15,
                    from include/linux/list.h:9,
                    from include/linux/module.h:12,
                    from net/can/isotp.c:56:
   include/linux/printk.h:297: note: this is the location of the previous definition
     297 | #define pr_fmt(fmt) fmt
         | 

vim +/pr_fmt +82 net/can/isotp.c

    81	
  > 82	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    83	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (65141 bytes)

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