linux-kernel - drivers/net/ethernet/ibm/ibmvnic.c:194:13: warning: variable 'rc' set but not used

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Date:   Fri, 4 Aug 2023 07:06:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nick Child <nnac123@...ux.ibm.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Thomas Falcon <tlfalcon@...ux.ibm.com>,
        Dany Madden <drt@...ux.ibm.com>,
        Rick Lindsley <ricklind@...ux.ibm.com>,
        Haren Myneni <haren@...ux.ibm.com>
Subject: drivers/net/ethernet/ibm/ibmvnic.c:194:13: warning: variable 'rc'
 set but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   999f6631866e9ea81add935b9c6ebaab0579d259
commit: 44fbc1b6e0e291df1d31f5080777ce66a72ef37a ibmvnic: Assign IRQ affinity hints to device queues
date:   9 months ago
config: powerpc-ppc64_defconfig (https://download.01.org/0day-ci/archive/20230804/202308040609.zQsSXWXI-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230804/202308040609.zQsSXWXI-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308040609.zQsSXWXI-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/net/ethernet/ibm/ibmvnic.c: In function 'ibmvnic_clean_affinity':
>> drivers/net/ethernet/ibm/ibmvnic.c:194:13: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
     194 |         int rc, i;
         |             ^~


vim +/rc +194 drivers/net/ethernet/ibm/ibmvnic.c

   188	
   189	static void ibmvnic_clean_affinity(struct ibmvnic_adapter *adapter)
   190	{
   191		struct ibmvnic_sub_crq_queue **rxqs;
   192		struct ibmvnic_sub_crq_queue **txqs;
   193		int num_rxqs, num_txqs;
 > 194		int rc, i;
   195	
   196		rc = 0;
   197		rxqs = adapter->rx_scrq;
   198		txqs = adapter->tx_scrq;
   199		num_txqs = adapter->num_active_tx_scrqs;
   200		num_rxqs = adapter->num_active_rx_scrqs;
   201	
   202		netdev_dbg(adapter->netdev, "%s: Cleaning irq affinity hints", __func__);
   203		if (txqs) {
   204			for (i = 0; i < num_txqs; i++)
   205				ibmvnic_clean_queue_affinity(adapter, txqs[i]);
   206		}
   207		if (rxqs) {
   208			for (i = 0; i < num_rxqs; i++)
   209				ibmvnic_clean_queue_affinity(adapter, rxqs[i]);
   210		}
   211	}
   212	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki