linux-kernel - Re: [PATCH 1/1] staging: slicoss: slicoss.c: fix different address space sparse warnings

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Message-ID: <201609131117.HQilr7GR%fengguang.wu@intel.com>
Date:   Tue, 13 Sep 2016 11:57:39 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Peng Sun <sironhide0null@...il.com>
Cc:     kbuild-all@...org, liodot@...il.com, charrer@...critech.com,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        Peng Sun <sironhide0null@...il.com>
Subject: Re: [PATCH 1/1] staging: slicoss: slicoss.c: fix different address
 space sparse warnings

Hi Peng,

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on next-20160912]
[cannot apply to v4.8-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Peng-Sun/staging-slicoss-slicoss-c-fix-different-address-space-sparse-warnings/20160913-112524
config: i386-randconfig-x010-201637 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from drivers/staging/slicoss/slicoss.c:97:0:
   drivers/staging/slicoss/slicoss.c: In function 'slic_upr_request_complete':
>> drivers/staging/slicoss/slicoss.c:1022:5: error: implicit declaration of function 'readq' [-Werror=implicit-function-declaration]
        readq((char __iomem *)stats +
        ^
   drivers/staging/slicoss/slic.h:552:19: note: in definition of macro 'UPDATE_STATS_GB'
     (largestat) += ((newstat) - (oldstat));                          \
                      ^~~~~~~
   cc1: some warnings being treated as errors

vim +/readq +1022 drivers/staging/slicoss/slicoss.c

  1016				dev_err(&adapter->netdev->dev,
  1017					"SLIC_UPR_STATS command failed isr[%x]\n", isr);
  1018				break;
  1019			}
  1020	
  1021			UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs,
> 1022					readq((char __iomem *)stats +
  1023					      offsetof(struct slic_stats,
  1024						       xmit_tcp_segs)),
  1025					old->xmit_tcp_segs);

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

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