net_sched: use void pointer for filter handle
Now we use 'unsigned long fh' as a pointer in every place,
it is safe to convert it to a void pointer now. This gets
rid of many casts to pointer.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index df7a582..d48452f 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -43,9 +43,9 @@
return tcf_exts_exec(skb, &head->exts, res);
}
-static unsigned long cls_cgroup_get(struct tcf_proto *tp, u32 handle)
+static void *cls_cgroup_get(struct tcf_proto *tp, u32 handle)
{
- return 0UL;
+ return NULL;
}
static int cls_cgroup_init(struct tcf_proto *tp)
@@ -71,7 +71,7 @@
static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
- unsigned long *arg, bool ovr)
+ void **arg, bool ovr)
{
struct nlattr *tb[TCA_CGROUP_MAX + 1];
struct cls_cgroup_head *head = rtnl_dereference(tp->root);
@@ -128,7 +128,7 @@
call_rcu(&head->rcu, cls_cgroup_destroy_rcu);
}
-static int cls_cgroup_delete(struct tcf_proto *tp, unsigned long arg, bool *last)
+static int cls_cgroup_delete(struct tcf_proto *tp, void *arg, bool *last)
{
return -EOPNOTSUPP;
}
@@ -140,7 +140,7 @@
if (arg->count < arg->skip)
goto skip;
- if (arg->fn(tp, (unsigned long) head, arg) < 0) {
+ if (arg->fn(tp, head, arg) < 0) {
arg->stop = 1;
return;
}
@@ -148,7 +148,7 @@
arg->count++;
}
-static int cls_cgroup_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
+static int cls_cgroup_dump(struct net *net, struct tcf_proto *tp, void *fh,
struct sk_buff *skb, struct tcmsg *t)
{
struct cls_cgroup_head *head = rtnl_dereference(tp->root);