X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=net%2Fnetfilter%2Fnfnetlink_queue.c;h=f81fe8c52e99ba2d3d90762cecc9ac4194fbf956;hb=1b11d78cf87a7014f96e5b7fa2e1233cc8081a00;hp=249bddb28acd9057bccac1b89960ecc8994041b3;hpb=f65e77693aa5a1cf688fc378bc6913a56f9ff7b7;p=linux-2.6

diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 249bddb28a..f81fe8c52e 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -371,6 +371,12 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 		break;
 	
 	case NFQNL_COPY_PACKET:
+		if (entry->skb->ip_summed == CHECKSUM_HW &&
+		    (*errp = skb_checksum_help(entry->skb,
+		                               entry->info->outdev == NULL))) {
+			spin_unlock_bh(&queue->lock);
+			return NULL;
+		}
 		if (queue->copy_range == 0 
 		    || queue->copy_range > entry->skb->len)
 			data_len = entry->skb->len;
@@ -636,7 +642,7 @@ nfqnl_mangle(void *data, int data_len, struct nfqnl_queue_entry *e)
 	if (!skb_make_writable(&e->skb, data_len))
 		return -ENOMEM;
 	memcpy(e->skb->data, data, data_len);
-
+	e->skb->ip_summed = CHECKSUM_NONE;
 	return 0;
 }