[NETFILTER]: Fix HW checksum handling in nfnetlink_queue Signed-off-by: Patrick McHardy --- commit fd32f6a1bad85e74e72ac603bce19da767b5928f tree c69f2224f141fbb6085f9576a7b67a833f9a3d80 parent c233e993bb49e007b667659243f344172768a6c8 author Patrick McHardy Fri, 26 Aug 2005 18:43:17 +0200 committer Patrick McHardy Fri, 26 Aug 2005 18:43:17 +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; }