Hi Pravin, [auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Pravin-B-Shelar/geneve-Use-LWT-more-effectively/20161118-151426 config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/net/geneve.c: In function 'geneve_xmit': >> drivers/net/geneve.c:942:10: warning: 'err' may be used uninitialized in >> this function [-Wmaybe-uninitialized] else if (err == -ENETUNREACH) ^ vim +/err +942 drivers/net/geneve.c 8ed66f0e John W. Linville 2015-10-26 926 } 8eb3b995 Daniel Borkmann 2016-03-09 927 e6efd144 Pravin B Shelar 2016-11-17 928 #if IS_ENABLED(CONFIG_IPV6) e6efd144 Pravin B Shelar 2016-11-17 929 if (info->mode & IP_TUNNEL_INFO_IPV6) e6efd144 Pravin B Shelar 2016-11-17 930 err = geneve6_xmit_skb(skb, dev, geneve, info); e6efd144 Pravin B Shelar 2016-11-17 931 else e6efd144 Pravin B Shelar 2016-11-17 932 #endif e6efd144 Pravin B Shelar 2016-11-17 933 err = geneve_xmit_skb(skb, dev, geneve, info); 8ed66f0e John W. Linville 2015-10-26 934 e6efd144 Pravin B Shelar 2016-11-17 935 if (likely(!err)) e6efd144 Pravin B Shelar 2016-11-17 936 return NETDEV_TX_OK; 8ed66f0e John W. Linville 2015-10-26 937 tx_error: 8ed66f0e John W. Linville 2015-10-26 938 dev_kfree_skb(skb); aed069df Alexander Duyck 2016-04-14 939 8ed66f0e John W. Linville 2015-10-26 940 if (err == -ELOOP) 8ed66f0e John W. Linville 2015-10-26 941 dev->stats.collisions++; 8ed66f0e John W. Linville 2015-10-26 @942 else if (err == -ENETUNREACH) 8ed66f0e John W. Linville 2015-10-26 943 dev->stats.tx_carrier_errors++; efeb2267 Haishuang Yan 2016-06-21 944 8ed66f0e John W. Linville 2015-10-26 945 dev->stats.tx_errors++; 8ed66f0e John W. Linville 2015-10-26 946 return NETDEV_TX_OK; 8ed66f0e John W. Linville 2015-10-26 947 } 8ed66f0e John W. Linville 2015-10-26 948 91572088 Jarod Wilson 2016-10-20 949 static int geneve_change_mtu(struct net_device *dev, int new_mtu) 55e5bfb5 David Wragg 2016-02-10 950 { :::::: The code at line 942 was first introduced by commit :::::: 8ed66f0e8235118a31720acdab3bbbe9debd0f6a geneve: implement support for IPv6-based tunnels :::::: TO: John W. Linville <linvi...@tuxdriver.com> :::::: CC: David S. Miller <da...@davemloft.net> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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