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Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/act_api.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index d0aceb1740b1..c9102172ce3b 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -592,6 +592,17 @@ err_out:
return ERR_PTR(err);
}
+static void cleanup_a(struct list_head *actions, int ovr)
+{
+ struct tc_action *a;
+
+ if (!ovr)
+ return;
+
+ list_for_each_entry(a, actions, list)
+ a->tcfa_refcnt--;
+}
+
int tcf_action_init(struct net *net, struct nlattr *nla, struct nlattr *est,
char *name, int ovr, int bind, struct list_head *actions)
{
@@ -611,8 +622,15 @@ int tcf_action_init(struct net *net, struct nlattr *nla, struct nlattr *est,
goto err;
}
act->order = i;
+ if (ovr)
+ act->tcfa_refcnt++;
list_add_tail(&act->list, actions);
}
+
+ /* Remove the temp refcnt which was necessary to protect against
+ * destroying an existing action which was being replaced
+ */
+ cleanup_a(actions, ovr);
return 0;
err:
@@ -882,6 +900,8 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n,
goto err;
}
act->order = i;
+ if (event == RTM_GETACTION)
+ act->tcfa_refcnt++;
list_add_tail(&act->list, &actions);
}