Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

[linux-2.6] / net / netfilter / nfnetlink_queue.c

diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 51476f82bb54733af8f997d782284bbeafa1eae2..0043d3a9f87eb5bbb477c96f64d99a60d6320e6a 100644 (file)
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -360,7 +360,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 
        if (data_len) {
                struct nlattr *nla;
-               int size = nla_attr_size(data_len);
+               int sz = nla_attr_size(data_len);
 
                if (skb_tailroom(skb) < nla_total_size(data_len)) {
                        printk(KERN_WARNING "nf_queue: no tailroom!\n");
@@ -369,7 +369,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 
                nla = (struct nlattr *)skb_put(skb, nla_total_size(data_len));
                nla->nla_type = NFQA_PAYLOAD;
-               nla->nla_len = size;
+               nla->nla_len = sz;
 
                if (skb_copy_bits(entskb, 0, nla_data(nla), data_len))
                        BUG();
@@ -443,8 +443,8 @@ err_out:
 static int
 nfqnl_mangle(void *data, int data_len, struct nf_queue_entry *e)
 {
+       struct sk_buff *nskb;
        int diff;
-       int err;
 
        diff = data_len - e->skb->len;
        if (diff < 0) {
@@ -454,14 +454,16 @@ nfqnl_mangle(void *data, int data_len, struct nf_queue_entry *e)
                if (data_len > 0xFFFF)
                        return -EINVAL;
                if (diff > skb_tailroom(e->skb)) {
-                       err = pskb_expand_head(e->skb, 0,
+                       nskb = skb_copy_expand(e->skb, 0,
                                               diff - skb_tailroom(e->skb),
                                               GFP_ATOMIC);
-                       if (err) {
+                       if (!nskb) {
                                printk(KERN_WARNING "nf_queue: OOM "
                                      "in mangle, dropping packet\n");
-                               return err;
+                               return -ENOMEM;
                        }
+                       kfree_skb(e->skb);
+                       e->skb = nskb;
                }
                skb_put(e->skb, diff);
        }
@@ -845,6 +847,7 @@ static struct hlist_node *get_idx(struct seq_file *seq, loff_t pos)
 }
 
 static void *seq_start(struct seq_file *seq, loff_t *pos)
+       __acquires(instances_lock)
 {
        spin_lock(&instances_lock);
        return get_idx(seq, *pos);
@@ -857,6 +860,7 @@ static void *seq_next(struct seq_file *s, void *v, loff_t *pos)
 }
 
 static void seq_stop(struct seq_file *s, void *v)
+       __releases(instances_lock)
 {
        spin_unlock(&instances_lock);
 }