Re: [PATCH v3 3/6] staging: r8188eu: add error handling of rtw_read8

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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@xxxxxxxxx>
> > 
> > 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.

regards,
dan carpenter





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