[NETFILTER]: Fix HW checksum handling in nfnetlink_queue Signed-off-by: Patrick McHardy --- commit 917240fdfb4a326d7488803be075e60e9fda6a3e tree a069ad28c8f81b1792041f27985e7f3e9ad0877b parent 92d69138354a34bf06d5429ffa485e3b43282b3f author Patrick McHardy Sun, 04 Sep 2005 18:25:32 +0200 committer Patrick McHardy Sun, 04 Sep 2005 18:25:32 +0200 net/netfilter/nfnetlink_queue.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -382,6 +382,12 @@ nfqnl_build_packet_message(struct nfqnl_ 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; @@ -647,7 +653,7 @@ nfqnl_mangle(void *data, int data_len, s 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; }