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-rw-r--r--net/iucv/af_iucv.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 02b45a8e8b35..88d0eaa18749 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -453,19 +453,27 @@ static void iucv_sever_path(struct sock *sk, int with_user_data)
}
}
-/* Send FIN through an IUCV socket for HIPER transport */
+/* Send controlling flags through an IUCV socket for HIPER transport */
static int iucv_send_ctrl(struct sock *sk, u8 flags)
{
int err = 0;
int blen;
struct sk_buff *skb;
+ u8 shutdown = 0;
blen = sizeof(struct af_iucv_trans_hdr) + ETH_HLEN;
+ if (sk->sk_shutdown & SEND_SHUTDOWN) {
+ /* controlling flags should be sent anyway */
+ shutdown = sk->sk_shutdown;
+ sk->sk_shutdown &= RCV_SHUTDOWN;
+ }
skb = sock_alloc_send_skb(sk, blen, 1, &err);
if (skb) {
skb_reserve(skb, blen);
err = afiucv_hs_send(NULL, sk, skb, flags);
}
+ if (shutdown)
+ sk->sk_shutdown = shutdown;
return err;
}