X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Fnetfilter%2Fip6_queue.c;h=a16df5b27c84e8ab93dc5dc42be41c1c5662e591;hb=2321fbd2b87539edc1fbfc2e186528a1ef93835f;hp=c54830b895939ed78f099978841d48a0d1d4a457;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=linux-2.6

diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index c54830b895..a16df5b27c 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -76,7 +76,9 @@ static DECLARE_MUTEX(ipqnl_sem);
 static void
 ipq_issue_verdict(struct ipq_queue_entry *entry, int verdict)
 {
+	local_bh_disable();
 	nf_reinject(entry->skb, entry->info, verdict);
+	local_bh_enable();
 	kfree(entry);
 }
 
@@ -209,6 +211,12 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
 		break;
 	
 	case IPQ_COPY_PACKET:
+		if (entry->skb->ip_summed == CHECKSUM_HW &&
+		    (*errp = skb_checksum_help(entry->skb,
+		                               entry->info->outdev == NULL))) {
+			read_unlock_bh(&queue_lock);
+			return NULL;
+		}
 		if (copy_range == 0 || copy_range > entry->skb->len)
 			data_len = entry->skb->len;
 		else
@@ -379,6 +387,7 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
 	if (!skb_ip_make_writable(&e->skb, v->data_len))
 		return -ENOMEM;
 	memcpy(e->skb->data, v->payload, v->data_len);
+	e->skb->ip_summed = CHECKSUM_NONE;
 	e->skb->nfcache |= NFC_ALTERED;
 
 	/*
@@ -549,20 +558,18 @@ ipq_rcv_skb(struct sk_buff *skb)
 static void
 ipq_rcv_sk(struct sock *sk, int len)
 {
-	do {
-		struct sk_buff *skb;
+	struct sk_buff *skb;
+	unsigned int qlen;
 
-		if (down_trylock(&ipqnl_sem))
-			return;
+	down(&ipqnl_sem);
 			
-		while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
-			ipq_rcv_skb(skb);
-			kfree_skb(skb);
-		}
+	for (qlen = skb_queue_len(&sk->sk_receive_queue); qlen; qlen--) {
+		skb = skb_dequeue(&sk->sk_receive_queue);
+		ipq_rcv_skb(skb);
+		kfree_skb(skb);
+	}
 		
-		up(&ipqnl_sem);
-
-	} while (ipqnl && ipqnl->sk_receive_queue.qlen);
+	up(&ipqnl_sem);
 }
 
 static int