diff options
author | WANG Cong <xiyou.wangcong@gmail.com> | 2014-01-17 20:37:02 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-01-21 23:43:16 +0100 |
commit | c779f7af99f73abb7270dcaa4c29178ab5ef7472 (patch) | |
tree | 166e92b6b61aa2259c91e96fac1683ffe2fb8c13 /net/sched/act_api.c | |
parent | net: stmmac: fix NULL pointer dereference in stmmac_get_tx_hwtstamp (diff) | |
download | linux-c779f7af99f73abb7270dcaa4c29178ab5ef7472.tar.xz linux-c779f7af99f73abb7270dcaa4c29178ab5ef7472.zip |
net_sched: act: fetch hinfo from a->ops->hinfo
Every action ops has a pointer to hash info, so we don't need to
hard-code it in each module.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_api.c')
-rw-r--r-- | net/sched/act_api.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 35f89e9ce49c..b94825322d4d 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -62,8 +62,9 @@ int tcf_hash_release(struct tcf_common *p, int bind, EXPORT_SYMBOL(tcf_hash_release); static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb, - struct tc_action *a, struct tcf_hashinfo *hinfo) + struct tc_action *a) { + struct tcf_hashinfo *hinfo = a->ops->hinfo; struct hlist_head *head; struct tcf_common *p; int err = 0, index = -1, i = 0, s_i = 0, n_i = 0; @@ -109,9 +110,9 @@ nla_put_failure: goto done; } -static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a, - struct tcf_hashinfo *hinfo) +static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a) { + struct tcf_hashinfo *hinfo = a->ops->hinfo; struct hlist_head *head; struct hlist_node *n; struct tcf_common *p; @@ -145,12 +146,10 @@ nla_put_failure: static int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb, int type, struct tc_action *a) { - struct tcf_hashinfo *hinfo = a->ops->hinfo; - if (type == RTM_DELACTION) { - return tcf_del_walker(skb, a, hinfo); + return tcf_del_walker(skb, a); } else if (type == RTM_GETACTION) { - return tcf_dump_walker(skb, cb, a, hinfo); + return tcf_dump_walker(skb, cb, a); } else { WARN(1, "tcf_generic_walker: unknown action %d\n", type); return -EINVAL; @@ -199,9 +198,9 @@ static int tcf_hash_search(struct tc_action *a, u32 index) return 0; } -struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind, - struct tcf_hashinfo *hinfo) +struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind) { + struct tcf_hashinfo *hinfo = a->ops->hinfo; struct tcf_common *p = NULL; if (index && (p = tcf_hash_lookup(index, hinfo)) != NULL) { if (bind) @@ -214,9 +213,9 @@ struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind, EXPORT_SYMBOL(tcf_hash_check); struct tcf_common *tcf_hash_create(u32 index, struct nlattr *est, - struct tc_action *a, int size, int bind, - struct tcf_hashinfo *hinfo) + struct tc_action *a, int size, int bind) { + struct tcf_hashinfo *hinfo = a->ops->hinfo; struct tcf_common *p = kzalloc(size, GFP_KERNEL); if (unlikely(!p)) @@ -495,6 +494,7 @@ struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla, if (a == NULL) goto err_mod; + a->ops = a_o; INIT_LIST_HEAD(&a->list); /* backward compatibility for policer */ if (name == NULL) @@ -510,7 +510,6 @@ struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla, */ if (err != ACT_P_CREATED) module_put(a_o->owner); - a->ops = a_o; return a; |