UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

[NETFILTER]: nf_queue: don't copy registered rerouter data 

Use the registered data structure instead of copying it.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2006-02-27 13:02:52 -08:00 committed by David S. Miller
parent 752c1f4c78
commit e02f7d1603
1 changed files with 9 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
net/netfilter/nf_queue.c
View File

@ -16,7 +16,7 @@
* for queueing and must reinject all packets it receives, no matter what.
*/
static struct nf_queue_handler *queue_handler[NPROTO];
static struct nf_queue_rerouter *queue_rerouter;
static struct nf_queue_rerouter *queue_rerouter[NPROTO];
static DEFINE_RWLOCK(queue_handler_lock);
@ -64,7 +64,7 @@ int nf_register_queue_rerouter(int pf, struct nf_queue_rerouter *rer)
return -EINVAL;
write_lock_bh(&queue_handler_lock);
memcpy(&queue_rerouter[pf], rer, sizeof(queue_rerouter[pf]));
queue_rerouter[pf] = rer;
write_unlock_bh(&queue_handler_lock);
return 0;
@ -77,7 +77,7 @@ int nf_unregister_queue_rerouter(int pf)
return -EINVAL;
write_lock_bh(&queue_handler_lock);
memset(&queue_rerouter[pf], 0, sizeof(queue_rerouter[pf]));
queue_rerouter[pf] = NULL;
write_unlock_bh(&queue_handler_lock);
return 0;
}
@ -123,7 +123,7 @@ int nf_queue(struct sk_buff **skb,
return 1;
}
info = kmalloc(sizeof(*info)+queue_rerouter[pf].rer_size, GFP_ATOMIC);
info = kmalloc(sizeof(*info)+queue_rerouter[pf]->rer_size, GFP_ATOMIC);
if (!info) {
if (net_ratelimit())
printk(KERN_ERR "OOM queueing packet %p\n",
@ -155,14 +155,14 @@ int nf_queue(struct sk_buff **skb,
if (physoutdev) dev_hold(physoutdev);
}
#endif
if (queue_rerouter[pf].save)
queue_rerouter[pf].save(*skb, info);
if (queue_rerouter[pf]->save)
queue_rerouter[pf]->save(*skb, info);
status = queue_handler[pf]->outfn(*skb, info, queuenum,
queue_handler[pf]->data);
if (status >= 0 && queue_rerouter[pf].reroute)
status = queue_rerouter[pf].reroute(skb, info);
if (status >= 0 && queue_rerouter[pf]->reroute)
status = queue_rerouter[pf]->reroute(skb, info);
read_unlock(&queue_handler_lock);
@ -322,22 +322,12 @@ int __init netfilter_queue_init(void)
{
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *pde;
#endif
queue_rerouter = kmalloc(NPROTO * sizeof(struct nf_queue_rerouter),
GFP_KERNEL);
if (!queue_rerouter)
return -ENOMEM;
#ifdef CONFIG_PROC_FS
pde = create_proc_entry("nf_queue", S_IRUGO, proc_net_netfilter);
if (!pde) {
kfree(queue_rerouter);
if (!pde)
return -1;
}
pde->proc_fops = &nfqueue_file_ops;
#endif
memset(queue_rerouter, 0, NPROTO * sizeof(struct nf_queue_rerouter));
return 0;
}