From: Hendrik Brueckner <brueckner@xxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Ursula Braun <ursula.braun@xxxxxxxxxx>
---
net/iucv/af_iucv.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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))
--
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