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Date: Sat, 1 Dec 2018 08:31:40 +0100 (CET)
From: Julia Lawall <julia.lawall@...6.fr>
To: Pablo Neira Ayuso <pablo@...filter.org>
cc: davem@...emloft.net, netdev@...r.kernel.org, kbuild-all@...org,
thomas.lendacky@....com, f.fainelli@...il.com,
ariel.elior@...ium.com, michael.chan@...adcom.com,
santosh@...lsio.com, madalin.bucur@....com,
yisen.zhuang@...wei.com, salil.mehta@...wei.com,
jeffrey.t.kirsher@...el.com, tariqt@...lanox.com,
saeedm@...lanox.com, jiri@...lanox.com, idosch@...lanox.com,
jakub.kicinski@...ronome.com, peppe.cavallaro@...com,
grygorii.strashko@...com, andrew@...n.ch,
vivien.didelot@...oirfairelinux.com, alexandre.torgue@...com,
joabreu@...opsys.com, linux-net-drivers@...arflare.com,
ganeshgr@...lsio.com, ogerlitz@...lanox.com,
Manish.Chopra@...ium.com, marcelo.leitner@...il.com
Subject: Re: [PATCH net-next,v4 01/12] flow_offload: add flow_rule and
flow_match structures and use them (fwd)
Hello,
It looks like the kfree on line 1573 should be moved down a few lines.
julia
---------- Forwarded message ----------
Date: Sat, 1 Dec 2018 11:11:55 +0800
From: kbuild test robot <lkp@...el.com>
To: kbuild@...org
Cc: Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH net-next,
v4 01/12] flow_offload: add flow_rule and flow_match structures and use them
CC: kbuild-all@...org
In-Reply-To: <20181129022231.2740-2-pablo@...filter.org>
References: <20181129022231.2740-2-pablo@...filter.org>
TO: Pablo Neira Ayuso <pablo@...filter.org>
CC: netdev@...r.kernel.org
Hi Pablo,
I love your patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
[also build test WARNING on next-20181130]
[cannot apply to v4.20-rc4]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Pablo-Neira-Ayuso/add-flow_rule-infrastructure/20181130-204709
:::::: branch date: 14 hours ago
:::::: commit date: 14 hours ago
>> net/sched/cls_flower.c:1586:7-9: ERROR: reference preceded by free on line 1573
# https://github.com/0day-ci/linux/commit/012ba7afb48db31be34a84d5fe82c4ceb409fd2d
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 012ba7afb48db31be34a84d5fe82c4ceb409fd2d
vim +1586 net/sched/cls_flower.c
34738452 Jiri Pirko 2018-07-23 1544
b95ec7eb Jiri Pirko 2018-07-23 1545 static void *fl_tmplt_create(struct net *net, struct tcf_chain *chain,
b95ec7eb Jiri Pirko 2018-07-23 1546 struct nlattr **tca,
b95ec7eb Jiri Pirko 2018-07-23 1547 struct netlink_ext_ack *extack)
b95ec7eb Jiri Pirko 2018-07-23 1548 {
b95ec7eb Jiri Pirko 2018-07-23 1549 struct fl_flow_tmplt *tmplt;
b95ec7eb Jiri Pirko 2018-07-23 1550 struct nlattr **tb;
b95ec7eb Jiri Pirko 2018-07-23 1551 int err;
b95ec7eb Jiri Pirko 2018-07-23 1552
b95ec7eb Jiri Pirko 2018-07-23 1553 if (!tca[TCA_OPTIONS])
b95ec7eb Jiri Pirko 2018-07-23 1554 return ERR_PTR(-EINVAL);
b95ec7eb Jiri Pirko 2018-07-23 1555
b95ec7eb Jiri Pirko 2018-07-23 1556 tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL);
b95ec7eb Jiri Pirko 2018-07-23 1557 if (!tb)
b95ec7eb Jiri Pirko 2018-07-23 1558 return ERR_PTR(-ENOBUFS);
b95ec7eb Jiri Pirko 2018-07-23 1559 err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS],
b95ec7eb Jiri Pirko 2018-07-23 1560 fl_policy, NULL);
b95ec7eb Jiri Pirko 2018-07-23 1561 if (err)
b95ec7eb Jiri Pirko 2018-07-23 1562 goto errout_tb;
b95ec7eb Jiri Pirko 2018-07-23 1563
b95ec7eb Jiri Pirko 2018-07-23 1564 tmplt = kzalloc(sizeof(*tmplt), GFP_KERNEL);
1cbc36a5 Dan Carpenter 2018-08-03 1565 if (!tmplt) {
1cbc36a5 Dan Carpenter 2018-08-03 1566 err = -ENOMEM;
b95ec7eb Jiri Pirko 2018-07-23 1567 goto errout_tb;
1cbc36a5 Dan Carpenter 2018-08-03 1568 }
b95ec7eb Jiri Pirko 2018-07-23 1569 tmplt->chain = chain;
b95ec7eb Jiri Pirko 2018-07-23 1570 err = fl_set_key(net, tb, &tmplt->dummy_key, &tmplt->mask, extack);
b95ec7eb Jiri Pirko 2018-07-23 1571 if (err)
b95ec7eb Jiri Pirko 2018-07-23 1572 goto errout_tmplt;
b95ec7eb Jiri Pirko 2018-07-23 @1573 kfree(tb);
b95ec7eb Jiri Pirko 2018-07-23 1574
b95ec7eb Jiri Pirko 2018-07-23 1575 fl_init_dissector(&tmplt->dissector, &tmplt->mask);
b95ec7eb Jiri Pirko 2018-07-23 1576
012ba7af Pablo Neira Ayuso 2018-11-29 1577 err = fl_hw_create_tmplt(chain, tmplt);
012ba7af Pablo Neira Ayuso 2018-11-29 1578 if (err)
012ba7af Pablo Neira Ayuso 2018-11-29 1579 goto errout_tmplt;
34738452 Jiri Pirko 2018-07-23 1580
b95ec7eb Jiri Pirko 2018-07-23 1581 return tmplt;
b95ec7eb Jiri Pirko 2018-07-23 1582
b95ec7eb Jiri Pirko 2018-07-23 1583 errout_tmplt:
b95ec7eb Jiri Pirko 2018-07-23 1584 kfree(tmplt);
b95ec7eb Jiri Pirko 2018-07-23 1585 errout_tb:
b95ec7eb Jiri Pirko 2018-07-23 @1586 kfree(tb);
b95ec7eb Jiri Pirko 2018-07-23 1587 return ERR_PTR(err);
b95ec7eb Jiri Pirko 2018-07-23 1588 }
b95ec7eb Jiri Pirko 2018-07-23 1589
:::::: The code at line 1586 was first introduced by commit
:::::: b95ec7eb3b4d2f158dd15c912cf670b546f09571 net: sched: cls_flower: implement chain templates
:::::: TO: Jiri Pirko <jiri@...lanox.com>
:::::: CC: David S. Miller <davem@...emloft.net>
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