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rxrpc: do not pull udp headers on receive

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Commit e6afc8ace6 modified the udp receive path by pulling the udp
header before queuing an skbuff onto the receive queue.

Rxrpc also calls skb_recv_datagram to dequeue an skb from a udp
socket. Modify this receive path to also no longer expect udp
headers.

Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")

Signed-off-by: Willem de Bruijn <willemb@google.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Willem de Bruijn 2016-04-07 11:44:59 -04:00 committed by David S. Miller
parent 1da8c681d5
commit 4d0fc73ebe
1 changed files with 2 additions and 2 deletions
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4
net/rxrpc/ar-input.c
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@ -612,9 +612,9 @@ int rxrpc_extract_header(struct rxrpc_skb_priv *sp, struct sk_buff *skb)
struct rxrpc_wire_header whdr;
/* dig out the RxRPC connection details */
if (skb_copy_bits(skb, sizeof(struct udphdr), &whdr, sizeof(whdr)) < 0)
if (skb_copy_bits(skb, 0, &whdr, sizeof(whdr)) < 0)
return -EBADMSG;
if (!pskb_pull(skb, sizeof(struct udphdr) + sizeof(whdr)))
if (!pskb_pull(skb, sizeof(whdr)))
BUG();
memset(sp, 0, sizeof(*sp));