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Date:   Fri, 1 May 2020 08:34:09 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Sudarsana Reddy Kalluru <skalluru@...vell.com>,
        davem@...emloft.net, netdev@...r.kernel.org, aelior@...vell.com,
        irusskikh@...vell.com, mkalderon@...vell.com
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org,
        aelior@...vell.com, irusskikh@...vell.com
Subject: Re: [PATCH net-next 1/1] qedr: Avoid DB recover entry deletion when
 device is not active.

Hi Sudarsana,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Sudarsana-Reddy-Kalluru/qedr-Avoid-DB-recover-entry-deletion-when-device-is-not-active/20200501-033426
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 323e395f197fd0bc1bf7a7a7e4c67d3d7410f24f
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=riscv 

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

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

   drivers/infiniband/hw/qedr/verbs.c: In function 'qedr_db_recovery_del':
>> drivers/infiniband/hw/qedr/verbs.c:675:6: error: implicit declaration of function 'QEDR_DEAD' [-Werror=implicit-function-declaration]
     675 |  if (QEDR_DEAD(dev)) {
         |      ^~~~~~~~~
   In file included from include/linux/string.h:6,
                    from include/linux/dma-mapping.h:6,
                    from drivers/infiniband/hw/qedr/verbs.c:32:
>> drivers/infiniband/hw/qedr/verbs.c:676:19: error: 'QEDR_MSG_FAIL' undeclared (first use in this function); did you mean 'QEDR_MSG_INIT'?
     676 |   DP_VERBOSE(dev, QEDR_MSG_FAIL,
         |                   ^~~~~~~~~~~~~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
>> drivers/infiniband/hw/qedr/verbs.c:676:3: note: in expansion of macro 'DP_VERBOSE'
     676 |   DP_VERBOSE(dev, QEDR_MSG_FAIL,
         |   ^~~~~~~~~~
   drivers/infiniband/hw/qedr/verbs.c:676:19: note: each undeclared identifier is reported only once for each function it appears in
     676 |   DP_VERBOSE(dev, QEDR_MSG_FAIL,
         |                   ^~~~~~~~~~~~~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
>> drivers/infiniband/hw/qedr/verbs.c:676:3: note: in expansion of macro 'DP_VERBOSE'
     676 |   DP_VERBOSE(dev, QEDR_MSG_FAIL,
         |   ^~~~~~~~~~
>> drivers/infiniband/hw/qedr/verbs.c:678:10: warning: 'return' with a value, in function returning void [-Wreturn-type]
     678 |   return 0;
         |          ^
   drivers/infiniband/hw/qedr/verbs.c:671:13: note: declared here
     671 | static void qedr_db_recovery_del(struct qedr_dev *dev,
         |             ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/QEDR_DEAD +675 drivers/infiniband/hw/qedr/verbs.c

   670	
   671	static void qedr_db_recovery_del(struct qedr_dev *dev,
   672					 void __iomem *db_addr,
   673					 void *db_data)
   674	{
 > 675		if (QEDR_DEAD(dev)) {
 > 676			DP_VERBOSE(dev, QEDR_MSG_FAIL,
   677				   "avoiding db rec since device is dead\n");
 > 678			return 0;
   679		}
   680	
   681		if (!db_data) {
   682			DP_DEBUG(dev, QEDR_MSG_INIT, "avoiding db rec since old lib\n");
   683			return;
   684		}
   685	
   686		/* Ignore return code as there is not much we can do about it. Error
   687		 * log will be printed inside.
   688		 */
   689		dev->ops->common->db_recovery_del(dev->cdev, db_addr, db_data);
   690	}
   691	

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

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