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Diffstat (limited to 'net/sched/cls_rsvp.h')
-rw-r--r--net/sched/cls_rsvp.h38
1 files changed, 18 insertions, 20 deletions
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 322438fb3ffc..0d9d07798699 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -152,8 +152,6 @@ static int rsvp_classify(struct sk_buff *skb, const struct tcf_proto *tp,
return -1;
nhptr = ip_hdr(skb);
#endif
- if (unlikely(!head))
- return -1;
restart:
#if RSVP_DST_LEN == 4
@@ -302,22 +300,13 @@ static void rsvp_delete_filter(struct tcf_proto *tp, struct rsvp_filter *f)
call_rcu(&f->rcu, rsvp_delete_filter_rcu);
}
-static bool rsvp_destroy(struct tcf_proto *tp, bool force)
+static void rsvp_destroy(struct tcf_proto *tp)
{
struct rsvp_head *data = rtnl_dereference(tp->root);
int h1, h2;
if (data == NULL)
- return true;
-
- if (!force) {
- for (h1 = 0; h1 < 256; h1++) {
- if (rcu_access_pointer(data->ht[h1]))
- return false;
- }
- }
-
- RCU_INIT_POINTER(tp->root, NULL);
+ return;
for (h1 = 0; h1 < 256; h1++) {
struct rsvp_session *s;
@@ -337,10 +326,9 @@ static bool rsvp_destroy(struct tcf_proto *tp, bool force)
}
}
kfree_rcu(data, rcu);
- return true;
}
-static int rsvp_delete(struct tcf_proto *tp, unsigned long arg)
+static int rsvp_delete(struct tcf_proto *tp, unsigned long arg, bool *last)
{
struct rsvp_head *head = rtnl_dereference(tp->root);
struct rsvp_filter *nfp, *f = (struct rsvp_filter *)arg;
@@ -348,7 +336,7 @@ static int rsvp_delete(struct tcf_proto *tp, unsigned long arg)
unsigned int h = f->handle;
struct rsvp_session __rcu **sp;
struct rsvp_session *nsp, *s = f->sess;
- int i;
+ int i, h1;
fp = &s->ht[(h >> 8) & 0xFF];
for (nfp = rtnl_dereference(*fp); nfp;
@@ -361,7 +349,7 @@ static int rsvp_delete(struct tcf_proto *tp, unsigned long arg)
for (i = 0; i <= 16; i++)
if (s->ht[i])
- return 0;
+ goto out;
/* OK, session has no flows */
sp = &head->ht[h & 0xFF];
@@ -370,13 +358,23 @@ static int rsvp_delete(struct tcf_proto *tp, unsigned long arg)
if (nsp == s) {
RCU_INIT_POINTER(*sp, s->next);
kfree_rcu(s, rcu);
- return 0;
+ goto out;
}
}
- return 0;
+ break;
}
}
+
+out:
+ *last = true;
+ for (h1 = 0; h1 < 256; h1++) {
+ if (rcu_access_pointer(head->ht[h1])) {
+ *last = false;
+ break;
+ }
+ }
+
return 0;
}
@@ -484,7 +482,7 @@ static int rsvp_change(struct net *net, struct sk_buff *in_skb,
if (opt == NULL)
return handle ? -EINVAL : 0;
- err = nla_parse_nested(tb, TCA_RSVP_MAX, opt, rsvp_policy);
+ err = nla_parse_nested(tb, TCA_RSVP_MAX, opt, rsvp_policy, NULL);
if (err < 0)
return err;