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

regards,
dan carpenter

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