Hi "Fabio, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] url: https://github.com/0day-ci/linux/commits/Fabio-M-De-Francesco/staging-r8188eu-Remove-_enter-_exit_critical_mutex/20210819-205259 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 093991aaadf0fbb34184fa37a46e7a157da3f386 config: m68k-allmodconfig (attached as .config) compiler: m68k-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/be2317351161f572a68f71544046d8491856818f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Fabio-M-De-Francesco/staging-r8188eu-Remove-_enter-_exit_critical_mutex/20210819-205259 git checkout be2317351161f572a68f71544046d8491856818f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/staging/r8188eu/core/rtw_mlme_ext.c: In function 'dump_mgntframe_and_wait_ack': >> drivers/staging/r8188eu/core/rtw_mlme_ext.c:4363:17: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 4363 | ; /*ignore return value */ | ^ -- drivers/staging/r8188eu/hal/usb_ops_linux.c: In function 'usbctrl_vendorreq': >> drivers/staging/r8188eu/hal/usb_ops_linux.c:36:17: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 36 | ; /* ignore return value */ | ^ -- drivers/staging/r8188eu/os_dep/os_intfs.c: In function 'netdev_open': >> drivers/staging/r8188eu/os_dep/os_intfs.c:1069:17: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 1069 | ; /* ignore return value */ | ^ vim +/if +4363 drivers/staging/r8188eu/core/rtw_mlme_ext.c 4352 4353 s32 dump_mgntframe_and_wait_ack(struct adapter *padapter, struct xmit_frame *pmgntframe) 4354 { 4355 s32 ret = _FAIL; 4356 u32 timeout_ms = 500;/* 500ms */ 4357 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 4358 4359 if (padapter->bSurpriseRemoved || padapter->bDriverStopped) 4360 return -1; 4361 4362 if (mutex_lock_interruptible(&pxmitpriv->ack_tx_mutex)) > 4363 ; /*ignore return value */ 4364 pxmitpriv->ack_tx = true; 4365 4366 pmgntframe->ack_report = 1; 4367 if (rtw_hal_mgnt_xmit(padapter, pmgntframe) == _SUCCESS) { 4368 ret = rtw_ack_tx_wait(pxmitpriv, timeout_ms); 4369 } 4370 4371 pxmitpriv->ack_tx = false; 4372 mutex_unlock(&pxmitpriv->ack_tx_mutex); 4373 4374 return ret; 4375 } 4376 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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