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authorJulian Anastasov <ja@ssi.bg>2013-03-22 11:46:50 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2013-04-02 00:23:56 +0200
commited3ffc4e48e2b03d5b23988f3cfa0ad8d79e0092 (patch)
treea72065ed64d14aeb3d8504221af3ed6925576c6a
parent578bc3ef1e473abb9ea99046a307fef0094b22af (diff)
ipvs: do not expect result from done_service
This method releases the scheduler state, it can not fail. Such change will help to properly replace the scheduler in following patch. Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au>
-rw-r--r--include/net/ip_vs.h4
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c5
-rw-r--r--net/netfilter/ipvs/ip_vs_dh.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_lblc.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_lblcr.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_sched.c13
-rw-r--r--net/netfilter/ipvs/ip_vs_sh.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_wrr.c4
8 files changed, 12 insertions, 30 deletions
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 18aeb85079f8..4990de698576 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -806,7 +806,7 @@ struct ip_vs_scheduler {
/* scheduler initializing service */
int (*init_service)(struct ip_vs_service *svc);
/* scheduling service finish */
- int (*done_service)(struct ip_vs_service *svc);
+ void (*done_service)(struct ip_vs_service *svc);
/* scheduler updating service */
int (*update_service)(struct ip_vs_service *svc);
/* dest is linked */
@@ -1392,7 +1392,7 @@ extern int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler);
extern int unregister_ip_vs_scheduler(struct ip_vs_scheduler *scheduler);
extern int ip_vs_bind_scheduler(struct ip_vs_service *svc,
struct ip_vs_scheduler *scheduler);
-extern int ip_vs_unbind_scheduler(struct ip_vs_service *svc);
+extern void ip_vs_unbind_scheduler(struct ip_vs_service *svc);
extern struct ip_vs_scheduler *ip_vs_scheduler_get(const char *sched_name);
extern void ip_vs_scheduler_put(struct ip_vs_scheduler *scheduler);
extern struct ip_vs_conn *
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 80d366b7daab..d02272685dda 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1334,10 +1334,7 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u)
/*
* Unbind the old scheduler
*/
- if ((ret = ip_vs_unbind_scheduler(svc))) {
- old_sched = sched;
- goto out_unlock;
- }
+ ip_vs_unbind_scheduler(svc);
/*
* Bind the new scheduler
diff --git a/net/netfilter/ipvs/ip_vs_dh.c b/net/netfilter/ipvs/ip_vs_dh.c
index ebe80f44e712..89c27230d93a 100644
--- a/net/netfilter/ipvs/ip_vs_dh.c
+++ b/net/netfilter/ipvs/ip_vs_dh.c
@@ -174,7 +174,7 @@ static int ip_vs_dh_init_svc(struct ip_vs_service *svc)
}
-static int ip_vs_dh_done_svc(struct ip_vs_service *svc)
+static void ip_vs_dh_done_svc(struct ip_vs_service *svc)
{
struct ip_vs_dh_state *s = svc->sched_data;
@@ -185,8 +185,6 @@ static int ip_vs_dh_done_svc(struct ip_vs_service *svc)
kfree_rcu(s, rcu_head);
IP_VS_DBG(6, "DH hash table (memory=%Zdbytes) released\n",
sizeof(struct ip_vs_dh_bucket)*IP_VS_DH_TAB_SIZE);
-
- return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index b873e177435a..c7ff97895237 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -388,7 +388,7 @@ static int ip_vs_lblc_init_svc(struct ip_vs_service *svc)
}
-static int ip_vs_lblc_done_svc(struct ip_vs_service *svc)
+static void ip_vs_lblc_done_svc(struct ip_vs_service *svc)
{
struct ip_vs_lblc_table *tbl = svc->sched_data;
@@ -402,8 +402,6 @@ static int ip_vs_lblc_done_svc(struct ip_vs_service *svc)
kfree_rcu(tbl, rcu_head);
IP_VS_DBG(6, "LBLC hash table (memory=%Zdbytes) released\n",
sizeof(*tbl));
-
- return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index c22f173d528c..6049b85df41f 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -555,7 +555,7 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
}
-static int ip_vs_lblcr_done_svc(struct ip_vs_service *svc)
+static void ip_vs_lblcr_done_svc(struct ip_vs_service *svc)
{
struct ip_vs_lblcr_table *tbl = svc->sched_data;
@@ -569,8 +569,6 @@ static int ip_vs_lblcr_done_svc(struct ip_vs_service *svc)
kfree_rcu(tbl, rcu_head);
IP_VS_DBG(6, "LBLCR hash table (memory=%Zdbytes) released\n",
sizeof(*tbl));
-
- return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c
index 7f11d3d37a42..1b715d0caf43 100644
--- a/net/netfilter/ipvs/ip_vs_sched.c
+++ b/net/netfilter/ipvs/ip_vs_sched.c
@@ -64,22 +64,17 @@ int ip_vs_bind_scheduler(struct ip_vs_service *svc,
/*
* Unbind a service with its scheduler
*/
-int ip_vs_unbind_scheduler(struct ip_vs_service *svc)
+void ip_vs_unbind_scheduler(struct ip_vs_service *svc)
{
struct ip_vs_scheduler *sched = svc->scheduler;
if (!sched)
- return 0;
+ return;
- if (sched->done_service) {
- if (sched->done_service(svc) != 0) {
- pr_err("%s(): done error\n", __func__);
- return -EINVAL;
- }
- }
+ if (sched->done_service)
+ sched->done_service(svc);
svc->scheduler = NULL;
- return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_sh.c b/net/netfilter/ipvs/ip_vs_sh.c
index 55e76d8db711..81c1a10c7b49 100644
--- a/net/netfilter/ipvs/ip_vs_sh.c
+++ b/net/netfilter/ipvs/ip_vs_sh.c
@@ -187,7 +187,7 @@ static int ip_vs_sh_init_svc(struct ip_vs_service *svc)
}
-static int ip_vs_sh_done_svc(struct ip_vs_service *svc)
+static void ip_vs_sh_done_svc(struct ip_vs_service *svc)
{
struct ip_vs_sh_state *s = svc->sched_data;
@@ -198,8 +198,6 @@ static int ip_vs_sh_done_svc(struct ip_vs_service *svc)
kfree_rcu(s, rcu_head);
IP_VS_DBG(6, "SH hash table (memory=%Zdbytes) released\n",
sizeof(struct ip_vs_sh_bucket)*IP_VS_SH_TAB_SIZE);
-
- return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_wrr.c b/net/netfilter/ipvs/ip_vs_wrr.c
index 98cb05e345c9..a74fd9bab953 100644
--- a/net/netfilter/ipvs/ip_vs_wrr.c
+++ b/net/netfilter/ipvs/ip_vs_wrr.c
@@ -129,7 +129,7 @@ static int ip_vs_wrr_init_svc(struct ip_vs_service *svc)
}
-static int ip_vs_wrr_done_svc(struct ip_vs_service *svc)
+static void ip_vs_wrr_done_svc(struct ip_vs_service *svc)
{
struct ip_vs_wrr_mark *mark = svc->sched_data;
@@ -137,8 +137,6 @@ static int ip_vs_wrr_done_svc(struct ip_vs_service *svc)
* Release the mark variable
*/
kfree_rcu(mark, rcu_head);
-
- return 0;
}