netdev - [PATCH next 18/84] ipvs: Cache ipvs in ip_vs_genl_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1442858581-15869-18-git-send-email-ebiederm@xmission.com>
Date:	Mon, 21 Sep 2015 13:01:55 -0500
From:	"Eric W. Biederman" <ebiederm@...ssion.com>
To:	Pablo Neira Ayuso <pablo@...filter.org>,
	David Miller <davem@...emloft.net>,
	Simon Horman <horms@...ge.net.au>
Cc:	netfilter-devel@...r.kernel.org, <netdev@...r.kernel.org>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	lvs-devel@...r.kernel.org, Julian Anastasov <ja@....bg>
Subject: [PATCH next 18/84] ipvs: Cache ipvs in ip_vs_genl_set_cmd

Compute ipvs early in ip_vs_genl_set_cmd and use the cached value to
access ipvs->sync_state.

Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
 net/netfilter/ipvs/ip_vs_ctl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 20aeb993618f..7aae2dc0f766 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3516,8 +3516,10 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
 	int ret = 0, cmd;
 	int need_full_svc = 0, need_full_dest = 0;
 	struct net *net;
+	struct netns_ipvs *ipvs;
 
 	net = skb_sknet(skb);
+	ipvs = net_ipvs(net);
 	cmd = info->genlhdr->cmd;
 
 	mutex_lock(&__ip_vs_mutex);
@@ -3579,7 +3581,7 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
 			/* The synchronization protocol is incompatible
 			 * with mixed family services
 			 */
-			if (net_ipvs(net)->sync_state) {
+			if (ipvs->sync_state) {
 				ret = -EINVAL;
 				goto out;
 			}
-- 
2.2.1

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html