diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/dccp/proto.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c index d48005f653c..5f47b458ed8 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -891,6 +891,7 @@ void dccp_close(struct sock *sk, long timeout) { struct dccp_sock *dp = dccp_sk(sk); struct sk_buff *skb; + u32 data_was_unread = 0; int state; lock_sock(sk); @@ -913,12 +914,17 @@ void dccp_close(struct sock *sk, long timeout) * descriptor close, not protocol-sourced closes, because the *reader process may not have drained the data yet! */ - /* FIXME: check for unread data */ while ((skb = __skb_dequeue(&sk->sk_receive_queue)) != NULL) { + data_was_unread += skb->len; __kfree_skb(skb); } - if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) { + if (data_was_unread) { + /* Unread data was tossed, send an appropriate Reset Code */ + DCCP_WARN("DCCP: ABORT -- %u bytes unread\n", data_was_unread); + dccp_send_reset(sk, DCCP_RESET_CODE_ABORTED); + dccp_set_state(sk, DCCP_CLOSED); + } else if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) { /* Check zero linger _after_ checking for unread data. */ sk->sk_prot->disconnect(sk, 0); } else if (dccp_close_state(sk)) { |