net/sched: act_api: use tcf_act_for_each_action in tcf_idr_insert_many

The actions array is contiguous, so stop processing whenever a NULL
is found. This is already the assumption for tcf_action_destroy[1],
which is called from tcf_actions_init.

[1] https://elixir.bootlin.com/linux/v6.7-rc3/source/net/sched/act_api.c#L1115

Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index d3cb9f5b25da9eb4f2d8c7302c1132ff046d502a..abec5c45b5a49a0c8b3d02adf7385226aca46877 100644 (file)
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1285,14 +1285,12 @@ static const struct nla_policy tcf_action_policy[TCA_ACT_MAX + 1] = {
 
 void tcf_idr_insert_many(struct tc_action *actions[])
 {
+       struct tc_action *a;
        int i;
 
-       for (i = 0; i < TCA_ACT_MAX_PRIO; i++) {
-               struct tc_action *a = actions[i];
+       tcf_act_for_each_action(i, a, actions) {
                struct tcf_idrinfo *idrinfo;
 
-               if (!a)
-                       continue;
                idrinfo = a->idrinfo;
                mutex_lock(&idrinfo->lock);
                /* Replace ERR_PTR(-EBUSY) allocated by tcf_idr_check_alloc if