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path: root/net/sched/cls_basic.c
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Diffstat (limited to 'net/sched/cls_basic.c')
-rw-r--r--net/sched/cls_basic.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 09fda68c8b39..c885412d79d5 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -12,12 +12,12 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/rtnetlink.h>
#include <linux/skbuff.h>
+#include <net/netlink.h>
#include <net/act_api.h>
#include <net/pkt_cls.h>
@@ -82,6 +82,13 @@ static void basic_put(struct tcf_proto *tp, unsigned long f)
static int basic_init(struct tcf_proto *tp)
{
+ struct basic_head *head;
+
+ head = kzalloc(sizeof(*head), GFP_KERNEL);
+ if (head == NULL)
+ return -ENOBUFS;
+ INIT_LIST_HEAD(&head->flist);
+ tp->root = head;
return 0;
}
@@ -98,11 +105,12 @@ static void basic_destroy(struct tcf_proto *tp)
{
struct basic_head *head = (struct basic_head *) xchg(&tp->root, NULL);
struct basic_filter *f, *n;
-
+
list_for_each_entry_safe(f, n, &head->flist, link) {
list_del(&f->link);
basic_delete_filter(tp, f);
}
+ kfree(head);
}
static int basic_delete(struct tcf_proto *tp, unsigned long arg)
@@ -157,7 +165,7 @@ errout:
}
static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
- struct rtattr **tca, unsigned long *arg)
+ struct rtattr **tca, unsigned long *arg)
{
int err = -EINVAL;
struct basic_head *head = (struct basic_head *) tp->root;
@@ -177,15 +185,6 @@ static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
}
err = -ENOBUFS;
- if (head == NULL) {
- head = kzalloc(sizeof(*head), GFP_KERNEL);
- if (head == NULL)
- goto errout;
-
- INIT_LIST_HEAD(&head->flist);
- tp->root = head;
- }
-
f = kzalloc(sizeof(*f), GFP_KERNEL);
if (f == NULL)
goto errout;
@@ -247,7 +246,7 @@ static int basic_dump(struct tcf_proto *tp, unsigned long fh,
struct sk_buff *skb, struct tcmsg *t)
{
struct basic_filter *f = (struct basic_filter *) fh;
- unsigned char *b = skb->tail;
+ unsigned char *b = skb_tail_pointer(skb);
struct rtattr *rta;
if (f == NULL)
@@ -265,11 +264,11 @@ static int basic_dump(struct tcf_proto *tp, unsigned long fh,
tcf_em_tree_dump(skb, &f->ematches, TCA_BASIC_EMATCHES) < 0)
goto rtattr_failure;
- rta->rta_len = (skb->tail - b);
+ rta->rta_len = skb_tail_pointer(skb) - b;
return skb->len;
rtattr_failure:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return -1;
}
@@ -292,7 +291,7 @@ static int __init init_basic(void)
return register_tcf_proto_ops(&cls_basic_ops);
}
-static void __exit exit_basic(void)
+static void __exit exit_basic(void)
{
unregister_tcf_proto_ops(&cls_basic_ops);
}