Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v3 3/6] staging: r8188eu: add error handling of rtw_read8
To:     Dan Carpenter <dan.carpenter@oracle.com>
Cc:     kernel test robot <lkp@intel.com>, Larry.Finger@lwfinger.net,
        phil@philpotter.co.uk, gregkh@linuxfoundation.org,
        straube.linux@gmail.com, fmdefrancesco@gmail.com,
        clang-built-linux@googlegroups.com, kbuild-all@lists.01.org,
        linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
References: <c59d5d850bf9aab208704182c83086609289cb9c.1629789580.git.paskripkin@gmail.com>
 <202108251911.Vwmzl4rI-lkp@intel.com>
 <9743e1ee-75f4-6231-427b-8c7f659fb252@gmail.com>
 <20210825125159.GU1931@kadam>
From:   Pavel Skripkin <paskripkin@gmail.com>
Message-ID: <bd50c00e-1814-dc32-36cf-73cf58123201@gmail.com>
Date:   Wed, 25 Aug 2021 16:02:26 +0300
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.13.0
MIME-Version: 1.0
In-Reply-To: <20210825125159.GU1931@kadam>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 8/25/21 3:51 PM, Dan Carpenter wrote:
> On Wed, Aug 25, 2021 at 03:17:06PM +0300, Pavel Skripkin wrote:
>> On 8/25/21 3:05 PM, kernel test robot wrote:
>> > Hi Pavel,
>> > 
>> > Thank you for the patch! Yet something to improve:
>> > 
>> > [auto build test ERROR on staging/staging-testing]
>> > 
>> > url:    https://github.com/0day-ci/linux/commits/Pavel-Skripkin/staging-r8188eu-remove-read-write-_macreg/20210824-162756
>> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 093991aaadf0fbb34184fa37a46e7a157da3f386
>> > config: arm-buildonly-randconfig-r001-20210825 (attached as .config)
>> > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project ea08c4cd1c0869ec5024a8bb3f5cdf06ab03ae83)
>> > 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
>> >          # install arm cross compiling tool for clang build
>> >          # apt-get install 11.1.1
>> >          # https://github.com/0day-ci/linux/commit/d4e4bbed4e59df37967086f60fe92cb1b4504d37
>> >          git remote add linux-review https://github.com/0day-ci/linux
>> >          git fetch --no-tags linux-review Pavel-Skripkin/staging-r8188eu-remove-read-write-_macreg/20210824-162756
>> >          git checkout d4e4bbed4e59df37967086f60fe92cb1b4504d37
>> >          # save the attached .config to linux build tree
>> >          mkdir build_dir
>> >          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/staging/r8188eu/
>> > 
>> > If you fix the issue, kindly add following tag as appropriate
>> > Reported-by: kernel test robot <lkp@intel.com>
>> > 
>> > All errors (new ones prefixed by >>):
>> > 
>> > > > drivers/staging/r8188eu/hal/usb_halinit.c:2022:3: error: expected expression
>> >                     u8 tmp;
>> >                     ^
>> >     1 error generated.
>> > 
>> > Kconfig warnings: (for reference only)
>> >     WARNING: unmet direct dependencies detected for QCOM_SCM
>> >     Depends on (ARM || ARM64) && HAVE_ARM_SMCCC
>> >     Selected by
>> >     - ARM_QCOM_SPM_CPUIDLE && CPU_IDLE && (ARM || ARM64) && (ARCH_QCOM || COMPILE_TEST && !ARM64 && MMU
>> > 
>> > 
>> 
>> We need to fix Kconfig, ok, I will take a look at it later
>> 
> 
> This is not related to your patch.  Ignore it.
> 
> 
>> > vim +2022 drivers/staging/r8188eu/hal/usb_halinit.c
>> > 
>> 
>> >    2020		case HW_VAR_BCN_VALID:
>> >    2021			/* BCN_VALID, BIT(16) of REG_TDECTRL = BIT(0) of REG_TDECTRL+2, write 1 to clear, Clear by sw */
>> > > 2022				u8 tmp;
>> 
>> Hm, I don't know anything about ARM compilers, so should I wrap this code
>> block with {}?
> 
> Yep.
> 
>> 
>> My local gcc 11.1.1 (x86_64) does not produce any warnings/errors
>> 
> 
> You should figure out whats up with that because it shouldn't compile
> with the gcc options that the kernel uses.
> 

AFAIK, at least 2 guys except me in this CC list compiled my series 
without errors/warnings. Maybe, staging tree is missing some Makefile 
updates?


I'll resend series this evening anyway, but this is strange....


With regards,
Pavel Skripkin