From: kbuild test robot <lkp@intel.com>
To: Pravin B Shelar <pshelar@ovn.org>
Cc: kbuild-all@01.org, netdev@vger.kernel.org,
Pravin B Shelar <pshelar@ovn.org>
Subject: Re: [PATCH net-next 1/4] geneve: Unify LWT and netdev handling.
Date: Fri, 18 Nov 2016 16:40:51 +0800 [thread overview]
Message-ID: <201611181659.o9qkaxCU%fengguang.wu@intel.com> (raw)
In-Reply-To: <1479453029-29619-2-git-send-email-pshelar@ovn.org>
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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 <linville@tuxdriver.com>
:::::: CC: David S. Miller <davem@davemloft.net>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2016-11-18 8:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-18 7:10 [PATCH net-next 0/4] geneve: Use LWT more effectively Pravin B Shelar
2016-11-18 7:10 ` [PATCH net-next 1/4] geneve: Unify LWT and netdev handling Pravin B Shelar
2016-11-18 8:40 ` kbuild test robot [this message]
2016-11-18 7:10 ` [PATCH net-next 2/4] geneve: Merge ipv4 and ipv6 geneve_build_skb() Pravin B Shelar
2016-11-18 7:10 ` [PATCH net-next 3/4] geneve: Remove redundant socket checks Pravin B Shelar
2016-11-18 7:10 ` [PATCH net-next 4/4] geneve: Optimize geneve device lookup Pravin B Shelar
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