diff mbox

[04/13] af_iucv: Reject incoming msgs if RECV_SHUTDOWN is set

Message ID 20090421103705.603001000@linux.vnet.ibm.com
State Rejected, archived
Delegated to: David Miller
Headers show

Commit Message

Ursula Braun April 21, 2009, 10:35 a.m. UTC 
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>

Reject incoming iucv messages if the receive direction has been shut down.
It avoids that the queue of outstanding messages increases and exceeds the
message limit of the iucv communication path.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
---

 net/iucv/af_iucv.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)


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diff mbox

Patch

Index: net-2.6-uschi/net/iucv/af_iucv.c
===================================================================
--- net-2.6-uschi.orig/net/iucv/af_iucv.c
+++ net-2.6-uschi/net/iucv/af_iucv.c
@@ -1116,8 +1116,10 @@  static void iucv_callback_rx(struct iucv
 	struct sock_msg_q *save_msg;
 	int len;
 
-	if (sk->sk_shutdown & RCV_SHUTDOWN)
+	if (sk->sk_shutdown & RCV_SHUTDOWN) {
+		iucv_message_reject(path, msg);
 		return;
+	}
 
 	if (!list_empty(&iucv->message_q.list) ||
 	    !skb_queue_empty(&iucv->backlog_skb_q))