linux-kernel - Re: [PATCH] cxgb4: remove unneeded variable

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Message-ID: <202109011709.EshwIAOb-lkp@intel.com>
Date:   Wed, 1 Sep 2021 17:35:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     cgel.zte@...il.com, rajur@...lsio.com
Cc:     kbuild-all@...ts.01.org, davem@...emloft.net, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chi Minghao <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH] cxgb4: remove unneeded variable

Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on ipvs/master]
[also build test ERROR on linus/master sparc-next/master v5.14 next-20210831]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/cgel-zte-gmail-com/cxgb4-remove-unneeded-variable/20210831-143101
base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git master
config: i386-randconfig-a001-20210831 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/5e7aa69068077aeaa75149d0935c3d7d0e8c328f
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review cgel-zte-gmail-com/cxgb4-remove-unneeded-variable/20210831-143101
        git checkout 5e7aa69068077aeaa75149d0935c3d7d0e8c328f
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   drivers/net/ethernet/chelsio/cxgb4/t4_hw.c: In function 't4_get_version_info':
>> drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:3289:17: error: 'ret' undeclared (first use in this function); did you mean 'net'?
    3289 |   if (__ret && !ret) \
         |                 ^~~
   drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:3293:2: note: in expansion of macro 'FIRST_RET'
    3293 |  FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers));
         |  ^~~~~~~~~
   drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:3289:17: note: each undeclared identifier is reported only once for each function it appears in
    3289 |   if (__ret && !ret) \
         |                 ^~~
   drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:3293:2: note: in expansion of macro 'FIRST_RET'
    3293 |  FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers));
         |  ^~~~~~~~~


vim +3289 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c

760446f967678e Ganesh Goudar 2017-07-20  3274  
760446f967678e Ganesh Goudar 2017-07-20  3275  /**
760446f967678e Ganesh Goudar 2017-07-20  3276   *      t4_get_version_info - extract various chip/firmware version information
760446f967678e Ganesh Goudar 2017-07-20  3277   *      @adapter: the adapter
760446f967678e Ganesh Goudar 2017-07-20  3278   *
760446f967678e Ganesh Goudar 2017-07-20  3279   *      Reads various chip/firmware version numbers and stores them into the
760446f967678e Ganesh Goudar 2017-07-20  3280   *      adapter Adapter Parameters structure.  If any of the efforts fails
760446f967678e Ganesh Goudar 2017-07-20  3281   *      the first failure will be returned, but all of the version numbers
760446f967678e Ganesh Goudar 2017-07-20  3282   *      will be read.
760446f967678e Ganesh Goudar 2017-07-20  3283   */
760446f967678e Ganesh Goudar 2017-07-20  3284  int t4_get_version_info(struct adapter *adapter)
760446f967678e Ganesh Goudar 2017-07-20  3285  {
760446f967678e Ganesh Goudar 2017-07-20  3286  	#define FIRST_RET(__getvinfo) \
760446f967678e Ganesh Goudar 2017-07-20  3287  	do { \
760446f967678e Ganesh Goudar 2017-07-20  3288  		int __ret = __getvinfo; \
760446f967678e Ganesh Goudar 2017-07-20 @3289  		if (__ret && !ret) \
760446f967678e Ganesh Goudar 2017-07-20  3290  			ret = __ret; \
760446f967678e Ganesh Goudar 2017-07-20  3291  	} while (0)
760446f967678e Ganesh Goudar 2017-07-20  3292  
760446f967678e Ganesh Goudar 2017-07-20  3293  	FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers));
760446f967678e Ganesh Goudar 2017-07-20  3294  	FIRST_RET(t4_get_bs_version(adapter, &adapter->params.bs_vers));
760446f967678e Ganesh Goudar 2017-07-20  3295  	FIRST_RET(t4_get_tp_version(adapter, &adapter->params.tp_vers));
760446f967678e Ganesh Goudar 2017-07-20  3296  	FIRST_RET(t4_get_exprom_version(adapter, &adapter->params.er_vers));
760446f967678e Ganesh Goudar 2017-07-20  3297  	FIRST_RET(t4_get_scfg_version(adapter, &adapter->params.scfg_vers));
760446f967678e Ganesh Goudar 2017-07-20  3298  	FIRST_RET(t4_get_vpd_version(adapter, &adapter->params.vpd_vers));
760446f967678e Ganesh Goudar 2017-07-20  3299  
760446f967678e Ganesh Goudar 2017-07-20  3300  	#undef FIRST_RET
5e7aa69068077a Chi Minghao   2021-08-30  3301  	return 0;
760446f967678e Ganesh Goudar 2017-07-20  3302  }
760446f967678e Ganesh Goudar 2017-07-20  3303  

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