linux-kernel - Re: [PATCH] staging: r8188eu: core: remove null check before vfree

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Date:   Sun, 29 Aug 2021 03:22:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     Saurav Girepunje <saurav.girepunje@...il.com>,
        Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        gregkh@...uxfoundation.org, fabioaiuto83@...il.com,
        straube.linux@...il.com, ross.schm.dev@...il.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, saurav.girepunje@...mail.com
Subject: Re: [PATCH] staging: r8188eu: core: remove null check before vfree

Hi Saurav,

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/Saurav-Girepunje/staging-r8188eu-core-remove-null-check-before-vfree/20210829-015616
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 4adb389e08c95fdf91995271932c59250ff0d561
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 11.2.0
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
        # https://github.com/0day-ci/linux/commit/9c7f84adad9db1009055b063408e70c89fc51170
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Saurav-Girepunje/staging-r8188eu-core-remove-null-check-before-vfree/20210829-015616
        git checkout 9c7f84adad9db1009055b063408e70c89fc51170
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/staging/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All error/warnings (new ones prefixed by >>):

   drivers/staging/r8188eu/core/rtw_sta_mgt.c: In function '_rtw_free_sta_priv':
>> drivers/staging/r8188eu/core/rtw_sta_mgt.c:163:1: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     163 | struct  sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
         | ^~~~~~
>> drivers/staging/r8188eu/core/rtw_sta_mgt.c:506:1: error: expected declaration or statement at end of input
     506 | }
         | ^
   drivers/staging/r8188eu/core/rtw_sta_mgt.c:507: error: control reaches end of non-void function [-Werror=return-type]
   At top level:
   drivers/staging/r8188eu/core/rtw_sta_mgt.c:469:4: warning: 'rtw_access_ctrl' defined but not used [-Wunused-function]
     469 | u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr)
         |    ^~~~~~~~~~~~~~~
   drivers/staging/r8188eu/core/rtw_sta_mgt.c:458:18: warning: 'rtw_get_bcmc_stainfo' defined but not used [-Wunused-function]
     458 | struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter)
         |                  ^~~~~~~~~~~~~~~~~~~~
   drivers/staging/r8188eu/core/rtw_sta_mgt.c:436:5: warning: 'rtw_init_bcmc_stainfo' defined but not used [-Wunused-function]
     436 | u32 rtw_init_bcmc_stainfo(struct adapter *padapter)
         |     ^~~~~~~~~~~~~~~~~~~~~
   drivers/staging/r8188eu/core/rtw_sta_mgt.c:367:6: warning: 'rtw_free_all_stainfo' defined but not used [-Wunused-function]
     367 | void rtw_free_all_stainfo(struct adapter *padapter)
         |      ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC
   Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA
   Selected by
   - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC
   - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC


vim +506 drivers/staging/r8188eu/core/rtw_sta_mgt.c

15865124feed88 Phillip Potter 2021-07-28  504  
15865124feed88 Phillip Potter 2021-07-28  505  	return res;
15865124feed88 Phillip Potter 2021-07-28 @506  }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (55027 bytes)