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Date: Wed, 20 Jul 2016 01:48:18 +0000 From: Dexuan Cui <decui@...rosoft.com> To: kbuild test robot <lkp@...el.com> CC: "kbuild-all@...org" <kbuild-all@...org>, "davem@...emloft.net" <davem@...emloft.net>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>, "olaf@...fle.de" <olaf@...fle.de>, "apw@...onical.com" <apw@...onical.com>, "jasowang@...hat.com" <jasowang@...hat.com>, Vitaly Kuznetsov <vkuznets@...hat.com>, Cathy Avery <cavery@...hat.com>, KY Srinivasan <kys@...rosoft.com>, "joe@...ches.com" <joe@...ches.com>, Rolf Neugebauer <rolf.neugebauer@...ker.com>, "Michal Kubecek" <mkubecek@...e.cz>, Haiyang Zhang <haiyangz@...rosoft.com>, "Dave Scott" <dave.scott@...ker.com> Subject: RE: [PATCH v17 net-next 1/1] hv_sock: introduce Hyper-V Sockets > From: kbuild test robot [mailto:lkp@...el.com] > Sent: Wednesday, July 20, 2016 1:10 > > Hi, > > [auto build test WARNING on net-next/master] > > url: https://github.com/0day-ci/linux/commits/Dexuan-Cui/introduce- > Hyper-V-VM-Sockets-hv_sock/20160715-223433 > config: x86_64-randconfig-a0-07191719 (attached as .config) > compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > net/hv_sock/af_hvsock.c: In function 'hvsock_open_connection': > net/hv_sock/af_hvsock.c:693: warning: 'hvsk' may be used uninitialized in > this function > net/hv_sock/af_hvsock.c:693: warning: 'new_hvsk' may be used > uninitialized in this function > net/hv_sock/af_hvsock.c:697: warning: 'new_sk' may be used uninitialized > in this function > net/hv_sock/af_hvsock.c: In function 'hvsock_sendmsg_wait': > net/hv_sock/af_hvsock.c:1053: warning: 'ret' may be used uninitialized in > this function > >> net/hv_sock/af_hvsock.o: warning: objtool: hvsock_on_channel_cb()+0x1d: > function has unreachable instruction These warnings are all false alarms. Thanks, -- Dexuan
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