Hi Antoine, [auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Antoine-Tenart/ARM-Alpine-Ethernet-support/20170204-022156 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All warnings (new ones prefixed by >>): drivers/net/ethernet/annapurna/al_eth.c: In function 'al_eth_restore_ethtool_params': drivers/net/ethernet/annapurna/al_eth.c:2139:15: warning: unused variable 'rx_usecs' [-Wunused-variable] unsigned int rx_usecs = adapter->rx_usecs; ^~~~~~~~ drivers/net/ethernet/annapurna/al_eth.c:2138:15: warning: unused variable 'tx_usecs' [-Wunused-variable] unsigned int tx_usecs = adapter->tx_usecs; ^~~~~~~~ In file included from include/uapi/linux/posix_types.h:4:0, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from include/linux/module.h:9, from drivers/net/ethernet/annapurna/al_eth.c:9: drivers/net/ethernet/annapurna/al_eth.c: In function 'al_eth_get_stats64': >> include/linux/stddef.h:7:14: warning: 'return' with a value, in function >> returning void #define NULL ((void *)0) ^ >> drivers/net/ethernet/annapurna/al_eth.c:2398:10: note: in expansion of macro >> 'NULL' return NULL; ^~~~ drivers/net/ethernet/annapurna/al_eth.c:2391:13: note: declared here static void al_eth_get_stats64(struct net_device *netdev, ^~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/annapurna/al_eth.c:2423:9: warning: 'return' with a >> value, in function returning void return stats; ^~~~~ drivers/net/ethernet/annapurna/al_eth.c:2391:13: note: declared here static void al_eth_get_stats64(struct net_device *netdev, ^~~~~~~~~~~~~~~~~~ vim +/NULL +2398 drivers/net/ethernet/annapurna/al_eth.c 2392 struct rtnl_link_stats64 *stats) 2393 { 2394 struct al_eth_adapter *adapter = netdev_priv(netdev); 2395 struct al_eth_mac_stats *mac_stats = &adapter->mac_stats; 2396 2397 if (!adapter->up) > 2398 return NULL; 2399 2400 al_eth_mac_stats_get(&adapter->hw_adapter, mac_stats); 2401 2402 stats->rx_packets = mac_stats->aFramesReceivedOK; /* including pause frames */ 2403 stats->tx_packets = mac_stats->aFramesTransmittedOK; /* including pause frames */ 2404 stats->rx_bytes = mac_stats->aOctetsReceivedOK; 2405 stats->tx_bytes = mac_stats->aOctetsTransmittedOK; 2406 stats->rx_dropped = 0; 2407 stats->multicast = mac_stats->ifInMulticastPkts; 2408 stats->collisions = 0; 2409 2410 stats->rx_length_errors = (mac_stats->etherStatsUndersizePkts + /* good but short */ 2411 mac_stats->etherStatsFragments + /* short and bad*/ 2412 mac_stats->etherStatsJabbers + /* with crc errors */ 2413 mac_stats->etherStatsOversizePkts); 2414 stats->rx_crc_errors = mac_stats->aFrameCheckSequenceErrors; 2415 stats->rx_frame_errors = mac_stats->aAlignmentErrors; 2416 stats->rx_fifo_errors = mac_stats->etherStatsDropEvents; 2417 stats->rx_missed_errors = 0; 2418 stats->tx_window_errors = 0; 2419 2420 stats->rx_errors = mac_stats->ifInErrors; 2421 stats->tx_errors = mac_stats->ifOutErrors; 2422 > 2423 return stats; 2424 } 2425 2426 static void al_eth_get_drvinfo(struct net_device *dev, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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