Re: [PATCH v3 6/6] staging: octeon: clean up the octeon ethernet driver

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Hi Oliver,

kernel test robot noticed the following build errors:

[auto build test ERROR on staging/staging-testing]

url:    https://github.com/intel-lab-lkp/linux/commits/Oliver-Crumrine/staging-octeon-clean-up-the-octeon-ethernet-driver/20230828-080105
base:   staging/staging-testing
patch link:    https://lore.kernel.org/r/PH7PR11MB764329EC8CFB56ABFA7A8D77BCE1A%40PH7PR11MB7643.namprd11.prod.outlook.com
patch subject: [PATCH v3 6/6] staging: octeon: clean up the octeon ethernet driver
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230828/202308281356.A52cXVbt-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230828/202308281356.A52cXVbt-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308281356.A52cXVbt-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   drivers/staging/octeon/ethernet.c: In function 'cvm_oct_common_get_stats':
>> drivers/staging/octeon/ethernet.c:204:39: error: storage size of 'rx_status' isn't known
     204 |         struct cvmx_pip_port_status_t rx_status;
         |                                       ^~~~~~~~~
   In file included from include/linux/string.h:254,
                    from include/linux/bitmap.h:11,
                    from include/linux/cpumask.h:12,
                    from arch/x86/include/asm/paravirt.h:17,
                    from arch/x86/include/asm/irqflags.h:60,
                    from include/linux/irqflags.h:17,
                    from include/linux/rcupdate.h:26,
                    from include/linux/rculist.h:11,
                    from include/linux/pid.h:5,
                    from include/linux/sched.h:14,
                    from include/linux/ratelimit.h:6,
                    from include/linux/dev_printk.h:16,
                    from include/linux/device.h:15,
                    from include/linux/platform_device.h:13,
                    from drivers/staging/octeon/ethernet.c:8:
   include/linux/fortify-string.h:515:65: warning: left-hand operand of comma expression has no effect [-Wunused-value]
     515 |         fortify_memset_chk(__fortify_size, p_size, p_size_field),       \
         |                                                                 ^
   include/linux/fortify-string.h:524:25: note: in expansion of macro '__fortify_memset_chk'
     524 | #define memset(p, c, s) __fortify_memset_chk(p, c, s,                   \
         |                         ^~~~~~~~~~~~~~~~~~~~
   drivers/staging/octeon/ethernet.c:211:25: note: in expansion of macro 'memset'
     211 |                         memset(&rx_status, 0, sizeof(rx_status));
         |                         ^~~~~~
   drivers/staging/octeon/ethernet.c:204:39: warning: unused variable 'rx_status' [-Wunused-variable]
     204 |         struct cvmx_pip_port_status_t rx_status;
         |                                       ^~~~~~~~~


vim +204 drivers/staging/octeon/ethernet.c

   195	
   196	/**
   197	 * cvm_oct_common_get_stats - get the low level ethernet statistics
   198	 * @dev:    Device to get the statistics from
   199	 *
   200	 * Returns Pointer to the statistics
   201	 */
   202	static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev)
   203	{
 > 204		struct cvmx_pip_port_status_t rx_status;
   205		cvmx_pko_port_status_t tx_status;
   206		struct octeon_ethernet *priv = netdev_priv(dev);
   207	
   208		if (priv->port < CVMX_PIP_NUM_INPUT_PORTS) {
   209			if (octeon_is_simulation()) {
   210				/* The simulator doesn't support statistics */
   211				memset(&rx_status, 0, sizeof(rx_status));
   212				memset(&tx_status, 0, sizeof(tx_status));
   213			} else {
   214				cvmx_pip_get_port_status(priv->port, 1, &rx_status);
   215				cvmx_pko_get_port_status(priv->port, 1, &tx_status);
   216			}
   217	
   218			dev->stats.rx_packets += rx_status.inb_packets;
   219			dev->stats.tx_packets += tx_status.packets;
   220			dev->stats.rx_bytes += rx_status.inb_octets;
   221			dev->stats.tx_bytes += tx_status.octets;
   222			dev->stats.multicast += rx_status.multicast_packets;
   223			dev->stats.rx_crc_errors += rx_status.inb_errors;
   224			dev->stats.rx_frame_errors += rx_status.fcs_align_err_packets;
   225			dev->stats.rx_dropped += rx_status.dropped_packets;
   226		}
   227	
   228		return &dev->stats;
   229	}
   230	

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




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