From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Also move the tests for net_ipvs being NULL into __ip_vs_ftp_init
and __ip_vs_ftp_exit. The only places where they possibly make
sense.
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
include/net/ip_vs.h | 4 ++--
net/netfilter/ipvs/ip_vs_app.c | 17 ++++++-----------
net/netfilter/ipvs/ip_vs_ftp.c | 11 ++++++++---
3 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index c06bad39958d..5caafed5af2e 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1341,8 +1341,8 @@ void ip_vs_service_net_cleanup(struct netns_ipvs *ipvs);
* (from ip_vs_app.c)
*/
#define IP_VS_APP_MAX_PORTS 8
-struct ip_vs_app *register_ip_vs_app(struct net *net, struct ip_vs_app *app);
-void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app);
+struct ip_vs_app *register_ip_vs_app(struct netns_ipvs *ipvs, struct ip_vs_app *app);
+void unregister_ip_vs_app(struct netns_ipvs *ipvs, struct ip_vs_app *app);
int ip_vs_bind_app(struct ip_vs_conn *cp, struct ip_vs_protocol *pp);
void ip_vs_unbind_app(struct ip_vs_conn *cp);
int register_ip_vs_app_inc(struct netns_ipvs *ipvs, struct ip_vs_app *app, __u16 proto,
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 20cb947a3ddd..a0cc08337a2c 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -192,15 +192,11 @@ register_ip_vs_app_inc(struct netns_ipvs *ipvs, struct ip_vs_app *app, __u16 pro
/* Register application for netns */
-struct ip_vs_app *register_ip_vs_app(struct net *net, struct ip_vs_app *app)
+struct ip_vs_app *register_ip_vs_app(struct netns_ipvs *ipvs, struct ip_vs_app *app)
{
- struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_app *a;
int err = 0;
- if (!ipvs)
- return ERR_PTR(-ENOENT);
-
mutex_lock(&__ip_vs_app_mutex);
list_for_each_entry(a, &ipvs->app_list, a_list) {
@@ -231,13 +227,10 @@ out_unlock:
* We are sure there are no app incarnations attached to services
* Caller should use synchronize_rcu() or rcu_barrier()
*/
-void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app)
+void unregister_ip_vs_app(struct netns_ipvs *ipvs, struct ip_vs_app *app)
{
- struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_app *a, *anxt, *inc, *nxt;
-
- if (!ipvs)
- return;
+ struct net *net = ipvs->net;
mutex_lock(&__ip_vs_app_mutex);
@@ -623,6 +616,8 @@ int __net_init ip_vs_app_net_init(struct net *net)
void __net_exit ip_vs_app_net_cleanup(struct net *net)
{
- unregister_ip_vs_app(net, NULL /* all */);
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ unregister_ip_vs_app(ipvs, NULL /* all */);
remove_proc_entry("ip_vs_app", net->proc_net);
}
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 24bab8e5a507..508544aff36d 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -447,7 +447,7 @@ static int __net_init __ip_vs_ftp_init(struct net *net)
if (!ipvs)
return -ENOENT;
- app = register_ip_vs_app(net, &ip_vs_ftp);
+ app = register_ip_vs_app(ipvs, &ip_vs_ftp);
if (IS_ERR(app))
return PTR_ERR(app);
@@ -463,7 +463,7 @@ static int __net_init __ip_vs_ftp_init(struct net *net)
return 0;
err_unreg:
- unregister_ip_vs_app(net, &ip_vs_ftp);
+ unregister_ip_vs_app(ipvs, &ip_vs_ftp);
return ret;
}
/*
@@ -471,7 +471,12 @@ err_unreg:
*/
static void __ip_vs_ftp_exit(struct net *net)
{
- unregister_ip_vs_app(net, &ip_vs_ftp);
+ struct netns_ipvs *ipvs = net_ipvs(net);
+
+ if (!ipvs)
+ return;
+
+ unregister_ip_vs_app(ipvs, &ip_vs_ftp);
}
static struct pernet_operations ip_vs_ftp_ops = {
--
2.1.4
--
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