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authorPatrick McHardy <kaber@trash.net>2005-09-06 15:10:00 -0700
committerDavid S. Miller <davem@davemloft.net>2005-09-06 15:10:00 -0700
commite7dfb09a3624a32df2dd00683875d0e56406a603 (patch)
treed97f51ab84914ef97812885467f88bd2ec2b3e14 /net
parent03486a4f838c55481317fca5ac2e7d12550a4fb7 (diff)
downloadop-kernel-dev-e7dfb09a3624a32df2dd00683875d0e56406a603.zip
op-kernel-dev-e7dfb09a3624a32df2dd00683875d0e56406a603.tar.gz
[NETFILTER]: Fix HW checksum handling in nfnetlink_queue
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nfnetlink_queue.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 249bddb..f81fe8c 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;
}
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