linux-kernel - Re: [PATCH 4/8] Input: elantech - split device info into a separate structure

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Message-ID: <201804061445.qVN8iyNr%fengguang.wu@intel.com>
Date:   Fri, 6 Apr 2018 15:33:28 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     kbuild-all@...org, Dmitry Torokhov <dmitry.torokhov@...il.com>,
        kt.liao@....com.tw, Oliver Haessler <oliver@...hat.com>,
        Benjamin Berg <bberg@...hat.com>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Subject: Re: [PATCH 4/8] Input: elantech - split device info into a separate
 structure

Hi Benjamin,

I love your patch! Perhaps something to improve:

[auto build test WARNING on next-20180405]
[cannot apply to input/next v4.16 v4.16-rc7 v4.16-rc6 v4.16]
[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/Benjamin-Tissoires/Input-support-for-latest-Lenovo-thinkpads-series-80/20180406-110729
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/input/mouse/elantech.c:1665:5: sparse: symbol 'elantech_query_info' was not declared. Should it be static?
   drivers/input/mouse/elantech.c: In function 'elantech_init':
   drivers/input/mouse/elantech.c:1839:9: warning: 'error' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return error;
            ^~~~~

Please review and possibly fold the followup patch.

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