I don't think this code can work. list_for_each_entry uses answer to get from one element to the next.
julia On Sat, 19 Dec 2015, kbuild test robot wrote: > CC: kbuild-...@01.org > In-Reply-To: > <0167bba2ecf8c4fcb6b0b3135a4e957309986498.1450451516.git.geliangt...@163.com> > TO: Geliang Tang <geliangt...@163.com> > CC: "David S. Miller" <da...@davemloft.net>, Alexey Kuznetsov > <kuz...@ms2.inr.ac.ru>, James Morris <jmor...@namei.org>, Hideaki YOSHIFUJI > <yoshf...@linux-ipv6.org>, Patrick McHardy <ka...@trash.net> > CC: Geliang Tang <geliangt...@163.com>, netdev@vger.kernel.org, > linux-ker...@vger.kernel.org > > Hi Geliang, > > [auto build test WARNING on net/master] > [also build test WARNING on v4.4-rc5 next-20151218] > > url: > https://github.com/0day-ci/linux/commits/Geliang-Tang/Bluetooth-use-list_for_each_entry/20151218-234306 > :::::: branch date: 69 minutes ago > :::::: commit date: 69 minutes ago > > >> net/ipv6/af_inet6.c:589:1-20: iterator with update on line 597 > > git remote add linux-review https://github.com/0day-ci/linux > git remote update linux-review > git checkout c5e8d791cacac62eeec48e00a1a14a6a350670f4 > vim +589 net/ipv6/af_inet6.c > > ^1da177e Linus Torvalds 2005-04-16 583 goto out_illegal; > ^1da177e Linus Torvalds 2005-04-16 584 > ^1da177e Linus Torvalds 2005-04-16 585 /* If we are trying to override > a permanent protocol, bail. */ > ^1da177e Linus Torvalds 2005-04-16 586 answer = NULL; > 87c3efbf Daniel Lezcano 2007-12-11 587 ret = -EPERM; > ^1da177e Linus Torvalds 2005-04-16 588 last_perm = &inetsw6[p->type]; > c5e8d791 Geliang Tang 2015-12-18 @589 list_for_each_entry(answer, > &inetsw6[p->type], list) { > ^1da177e Linus Torvalds 2005-04-16 590 /* Check only the > non-wild match. */ > ^1da177e Linus Torvalds 2005-04-16 591 if > (INET_PROTOSW_PERMANENT & answer->flags) { > ^1da177e Linus Torvalds 2005-04-16 592 if (protocol == > answer->protocol) > ^1da177e Linus Torvalds 2005-04-16 593 break; > c5e8d791 Geliang Tang 2015-12-18 594 last_perm = > &answer->list; > ^1da177e Linus Torvalds 2005-04-16 595 } > ^1da177e Linus Torvalds 2005-04-16 596 > ^1da177e Linus Torvalds 2005-04-16 @597 answer = NULL; > ^1da177e Linus Torvalds 2005-04-16 598 } > ^1da177e Linus Torvalds 2005-04-16 599 if (answer) > ^1da177e Linus Torvalds 2005-04-16 600 goto out_permanent; > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
