From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
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;
}
--
2.1.4
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