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From: kernel test robot <lkp@intel.com>
To: Shaomin Deng <dengshaomin@cdjrlc.com>,
	agk@redhat.com, snitzer@kernel.org, dm-devel@redhat.com,
	linux-kernel@vger.kernel.org
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	Shaomin Deng <dengshaomin@cdjrlc.com>
Subject: Re: [PATCH] dm: Remove the unneeeded variable
Date: Sun, 28 Aug 2022 03:46:18 +0800	[thread overview]
Message-ID: <202208280313.Avg378Ql-lkp@intel.com> (raw)
In-Reply-To: <20220827163848.24296-1-dengshaomin@cdjrlc.com>

Hi Shaomin,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v6.0-rc2]
[also build test ERROR on linus/master next-20220826]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Shaomin-Deng/dm-Remove-the-unneeeded-variable/20220828-004044
base:    1c23f9e627a7b412978b4e852793c5e3c3efc555
config: riscv-randconfig-r003-20220828 (https://download.01.org/0day-ci/archive/20220828/202208280313.Avg378Ql-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project a2100daf12fb980a29fd1a9c85ccf8eaaaf79730)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/fd20974ffc753b102401c766eb62117c276a1527
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Shaomin-Deng/dm-Remove-the-unneeeded-variable/20220828-004044
        git checkout fd20974ffc753b102401c766eb62117c276a1527
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/md/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/md/dm-log.c:810:3: error: use of undeclared identifier 'sz'
                   DMEMIT("3 %s %s %c", log->type->name, lc->log_dev->name,
                   ^
   include/linux/device-mapper.h:615:22: note: expanded from macro 'DMEMIT'
   #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
                        ^
>> drivers/md/dm-log.c:810:3: error: use of undeclared identifier 'sz'
   include/linux/device-mapper.h:615:30: note: expanded from macro 'DMEMIT'
   #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
                                ^
>> drivers/md/dm-log.c:810:3: error: use of undeclared identifier 'sz'
   include/linux/device-mapper.h:616:29: note: expanded from macro 'DMEMIT'
                             0 : scnprintf(result + sz, maxlen - sz, x))
                                                    ^
>> drivers/md/dm-log.c:810:3: error: use of undeclared identifier 'sz'
   include/linux/device-mapper.h:616:42: note: expanded from macro 'DMEMIT'
                             0 : scnprintf(result + sz, maxlen - sz, x))
                                                                 ^
   drivers/md/dm-log.c:817:3: error: use of undeclared identifier 'sz'
                   DMEMIT("%s %u %s %u ", log->type->name,
                   ^
   include/linux/device-mapper.h:615:22: note: expanded from macro 'DMEMIT'
   #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
                        ^
   drivers/md/dm-log.c:817:3: error: use of undeclared identifier 'sz'
   include/linux/device-mapper.h:615:30: note: expanded from macro 'DMEMIT'
   #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
                                ^
   drivers/md/dm-log.c:817:3: error: use of undeclared identifier 'sz'
   include/linux/device-mapper.h:616:29: note: expanded from macro 'DMEMIT'
                             0 : scnprintf(result + sz, maxlen - sz, x))
                                                    ^
   drivers/md/dm-log.c:817:3: error: use of undeclared identifier 'sz'
   include/linux/device-mapper.h:616:42: note: expanded from macro 'DMEMIT'
                             0 : scnprintf(result + sz, maxlen - sz, x))
                                                                 ^
   drivers/md/dm-log.c:820:3: error: use of undeclared identifier 'sz'
                   DMEMIT_SYNC;
                   ^
   drivers/md/dm-log.c:776:3: note: expanded from macro 'DMEMIT_SYNC'
                   DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : "")
                   ^
   include/linux/device-mapper.h:615:22: note: expanded from macro 'DMEMIT'
   #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
                        ^
   drivers/md/dm-log.c:820:3: error: use of undeclared identifier 'sz'
   drivers/md/dm-log.c:776:3: note: expanded from macro 'DMEMIT_SYNC'
                   DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : "")
                   ^
   include/linux/device-mapper.h:615:30: note: expanded from macro 'DMEMIT'
   #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
                                ^
   drivers/md/dm-log.c:820:3: error: use of undeclared identifier 'sz'
   drivers/md/dm-log.c:776:3: note: expanded from macro 'DMEMIT_SYNC'
                   DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : "")
                   ^
   include/linux/device-mapper.h:616:29: note: expanded from macro 'DMEMIT'
                             0 : scnprintf(result + sz, maxlen - sz, x))
                                                    ^
   drivers/md/dm-log.c:820:3: error: use of undeclared identifier 'sz'
   drivers/md/dm-log.c:776:3: note: expanded from macro 'DMEMIT_SYNC'
                   DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : "")
                   ^
   include/linux/device-mapper.h:616:42: note: expanded from macro 'DMEMIT'
                             0 : scnprintf(result + sz, maxlen - sz, x))
                                                                 ^
   12 errors generated.


vim +/sz +810 drivers/md/dm-log.c

^1da177e4c3f41 Linus Torvalds     2005-04-16  802  
416cd17b198221 Heinz Mauelshagen  2008-04-24  803  static int disk_status(struct dm_dirty_log *log, status_type_t status,
^1da177e4c3f41 Linus Torvalds     2005-04-16  804  		       char *result, unsigned int maxlen)
^1da177e4c3f41 Linus Torvalds     2005-04-16  805  {
^1da177e4c3f41 Linus Torvalds     2005-04-16  806  	struct log_c *lc = log->context;
^1da177e4c3f41 Linus Torvalds     2005-04-16  807  
^1da177e4c3f41 Linus Torvalds     2005-04-16  808  	switch(status) {
^1da177e4c3f41 Linus Torvalds     2005-04-16  809  	case STATUSTYPE_INFO:
315dcc226f066c Jonathan E Brassow 2007-05-09 @810  		DMEMIT("3 %s %s %c", log->type->name, lc->log_dev->name,
64b30c46e866bb Mikulas Patocka    2009-12-10  811  		       lc->log_dev_flush_failed ? 'F' :
64b30c46e866bb Mikulas Patocka    2009-12-10  812  		       lc->log_dev_failed ? 'D' :
64b30c46e866bb Mikulas Patocka    2009-12-10  813  		       'A');
^1da177e4c3f41 Linus Torvalds     2005-04-16  814  		break;
^1da177e4c3f41 Linus Torvalds     2005-04-16  815  
^1da177e4c3f41 Linus Torvalds     2005-04-16  816  	case STATUSTYPE_TABLE:
^1da177e4c3f41 Linus Torvalds     2005-04-16  817  		DMEMIT("%s %u %s %u ", log->type->name,
315dcc226f066c Jonathan E Brassow 2007-05-09  818  		       lc->sync == DEFAULTSYNC ? 2 : 3, lc->log_dev->name,
^1da177e4c3f41 Linus Torvalds     2005-04-16  819  		       lc->region_size);
^1da177e4c3f41 Linus Torvalds     2005-04-16  820  		DMEMIT_SYNC;
8ec456629d0bf0 Tushar Sugandhi    2021-07-12  821  		break;
8ec456629d0bf0 Tushar Sugandhi    2021-07-12  822  
8ec456629d0bf0 Tushar Sugandhi    2021-07-12  823  	case STATUSTYPE_IMA:
8ec456629d0bf0 Tushar Sugandhi    2021-07-12  824  		*result = '\0';
8ec456629d0bf0 Tushar Sugandhi    2021-07-12  825  		break;
^1da177e4c3f41 Linus Torvalds     2005-04-16  826  	}
^1da177e4c3f41 Linus Torvalds     2005-04-16  827  
fd20974ffc753b Shaomin Deng       2022-08-27  828  	return 0;
^1da177e4c3f41 Linus Torvalds     2005-04-16  829  }
^1da177e4c3f41 Linus Torvalds     2005-04-16  830  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

      parent reply	other threads:[~2022-08-27 19:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-27 16:38 [PATCH] dm: Remove the unneeeded variable Shaomin Deng
2022-08-27 18:35 ` kernel test robot
2022-08-27 19:46 ` kernel test robot [this message]

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