Hi Rafał,

I love your patch! Yet something to improve:

[auto build test ERROR on wireless-drivers-next/master]
[also build test ERROR on v5.0-rc2 next-20190115]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Rafa-Mi-ecki/brcmfmac-modify-__brcmf_err-to-take-bus-as-a-parameter/20190115-183015
base:   
https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git 
master
config: i386-randconfig-x006-201902 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.c: In function 
'__brcmf_err':
>> drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.c:34:3: error: 
>> implicit declaration of function 'dev_err'; did you mean 'xa_err'? 
>> [-Werror=implicit-function-declaration]
      dev_err(bus->dev, "%s: %pV", func, &vaf);
      ^~~~~~~
      xa_err
>> drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.c:34:14: error: 
>> dereferencing pointer to incomplete type 'struct brcmf_bus'
      dev_err(bus->dev, "%s: %pV", func, &vaf);
                 ^~
   cc1: some warnings being treated as errors

vim +34 drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.c

    23  
    24  void __brcmf_err(struct brcmf_bus *bus, const char *func, const char 
*fmt, ...)
    25  {
    26          struct va_format vaf = {
    27                  .fmt = fmt,
    28          };
    29          va_list args;
    30  
    31          va_start(args, fmt);
    32          vaf.va = &args;
    33          if (bus)
  > 34                  dev_err(bus->dev, "%s: %pV", func, &vaf);
    35          else
    36                  pr_err("%s: %pV", func, &vaf);
    37          trace_brcmf_err(func, &vaf);
    38          va_end(args);
    39  }
    40  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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