Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[~andy/linux] / net / sched / act_csum.c

diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 3a4c0caa1f7de0fdfdb618bac9308aa32330c7f7..8b1d65772a8dfee6345bae94328780ace0384dcd 100644 (file)
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -37,15 +37,8 @@
 #include <net/tc_act/tc_csum.h>
 
 #define CSUM_TAB_MASK 15
-static struct tcf_common *tcf_csum_ht[CSUM_TAB_MASK + 1];
 static u32 csum_idx_gen;
-static DEFINE_RWLOCK(csum_lock);
-
-static struct tcf_hashinfo csum_hash_info = {
-       .htab   = tcf_csum_ht,
-       .hmask  = CSUM_TAB_MASK,
-       .lock   = &csum_lock,
-};
+static struct tcf_hashinfo csum_hash_info;
 
 static const struct nla_policy csum_policy[TCA_CSUM_MAX + 1] = {
        [TCA_CSUM_PARMS] = { .len = sizeof(struct tc_csum), },
@@ -77,16 +70,16 @@ static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est,
                                     &csum_idx_gen, &csum_hash_info);
                if (IS_ERR(pc))
                        return PTR_ERR(pc);
-               p = to_tcf_csum(pc);
                ret = ACT_P_CREATED;
        } else {
-               p = to_tcf_csum(pc);
-               if (!ovr) {
-                       tcf_hash_release(pc, bind, &csum_hash_info);
+               if (bind)/* dont override defaults */
+                       return 0;
+               tcf_hash_release(pc, bind, &csum_hash_info);
+               if (!ovr)
                        return -EEXIST;
-               }
        }
 
+       p = to_tcf_csum(pc);
        spin_lock_bh(&p->tcf_lock);
        p->tcf_action = parm->action;
        p->update_flags = parm->update_flags;
@@ -585,9 +578,7 @@ static struct tc_action_ops act_csum_ops = {
        .act            = tcf_csum,
        .dump           = tcf_csum_dump,
        .cleanup        = tcf_csum_cleanup,
-       .lookup         = tcf_hash_search,
        .init           = tcf_csum_init,
-       .walk           = tcf_generic_walker
 };
 
 MODULE_DESCRIPTION("Checksum updating actions");
@@ -595,6 +586,10 @@ MODULE_LICENSE("GPL");
 
 static int __init csum_init_module(void)
 {
+       int err = tcf_hashinfo_init(&csum_hash_info, CSUM_TAB_MASK);
+       if (err)
+               return err;
+
        return tcf_register_action(&act_csum_ops);
 }