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authorXin Long <lucien.xin@gmail.com>2017-02-19 01:52:45 +0800
committerDavid S. Miller <davem@davemloft.net>2017-02-20 10:26:09 -0500
commitb7018d0b63003c0474451991797113605f26ee81 (patch)
tree66cbac5e4e78360a968c6f505f484be0a5c9024d /net
parent93a66e93c7d8775f33c0d65e3fdeb209c1d4a8c9 (diff)
sctp: flush out queue once assoc state falls into SHUTDOWN_PENDING
This patch is to flush out queue when assoc state falls into SHUTDOWN_PENDING if there are still chunks in it, so that the data can be sent out as soon as possible before sending SHUTDOWN chunk. When sctp supports MSG_MORE flag in next patch, this improvement can also solve the problem that the chunks with MSG_MORE flag may be stuck in queue when closing an assoc. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/sctp/sm_sideeffect.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 51abcc90fe75..25384fa82ba9 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -872,6 +872,10 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds,
if (!sctp_style(sk, UDP))
sk->sk_state_change(sk);
}
+
+ if (sctp_state(asoc, SHUTDOWN_PENDING) &&
+ !sctp_outq_is_empty(&asoc->outqueue))
+ sctp_outq_uncork(&asoc->outqueue, GFP_ATOMIC);
}
/* Helper function to delete an association. */