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* Re: [PATCH 6/6] staging: octeon: clean up the octeon ethernet driver
       [not found] <PH7PR11MB7643F9F5DBB6781022CC4F4DBCE1A@PH7PR11MB7643.namprd11.prod.outlook.com>
@ 2023-08-27 23:53 ` kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-08-27 23:53 UTC (permalink / raw)
  To: Oliver Crumrine, gregkh, colin.i.king, sumitraartsy,
	u.kleine-koenig, geert
  Cc: llvm, oe-kbuild-all, linux-kernel, linux-staging

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/20230828-051802
base:   staging/staging-testing
patch link:    https://lore.kernel.org/r/PH7PR11MB7643F9F5DBB6781022CC4F4DBCE1A%40PH7PR11MB7643.namprd11.prod.outlook.com
patch subject: [PATCH 6/6] staging: octeon: clean up the octeon ethernet driver
config: s390-randconfig-001-20230828 (https://download.01.org/0day-ci/archive/20230828/202308280752.Jl0Lli0C-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230828/202308280752.Jl0Lli0C-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308280752.Jl0Lli0C-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/staging/octeon/ethernet.c:11:
   In file included from include/linux/netdevice.h:38:
   In file included from include/net/net_namespace.h:43:
   In file included from include/linux/skbuff.h:28:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:75:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
                                                             ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
   #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
                                                        ^
   In file included from drivers/staging/octeon/ethernet.c:11:
   In file included from include/linux/netdevice.h:38:
   In file included from include/net/net_namespace.h:43:
   In file included from include/linux/skbuff.h:28:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:75:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
   #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
                                                        ^
   In file included from drivers/staging/octeon/ethernet.c:11:
   In file included from include/linux/netdevice.h:38:
   In file included from include/net/net_namespace.h:43:
   In file included from include/linux/skbuff.h:28:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/s390/include/asm/io.h:75:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsb(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsw(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           readsl(PCI_IOBASE + addr, buffer, count);
                  ~~~~~~~~~~ ^
   include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesb(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesw(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
   include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           writesl(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
>> drivers/staging/octeon/ethernet.c:204:32: error: variable has incomplete type 'struct cvmx_pip_port_status_t'
           struct cvmx_pip_port_status_t rx_status;
                                         ^
   drivers/staging/octeon/ethernet.c:204:9: note: forward declaration of 'struct cvmx_pip_port_status_t'
           struct cvmx_pip_port_status_t rx_status;
                  ^
   12 warnings and 1 error generated.


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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2023-08-27 23:53 ` [PATCH 6/6] staging: octeon: clean up the octeon ethernet driver kernel test robot

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