From: Amiram Perlmutter <amip@mellanox.co.il>
Date: Thu, 18 Jan 2007 16:50:30 +0000 (+0200)
Subject: IB/sdp: handle shutdown recv on listening socket
X-Git-Tag: v4.1.12-92~264^2~5^2~366
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e7d583c2ac96d627e78b88644c158ebb9b17ba9c;p=users%2Fjedix%2Flinux-maple.git

IB/sdp: handle shutdown recv on listening socket

Signed-off-by: Amiram Perlmutter <amip@mellanox.co.il>
---

diff --git a/drivers/infiniband/ulp/sdp/sdp_main.c b/drivers/infiniband/ulp/sdp/sdp_main.c
index ef8e2eb737fa3..87ae56bf569ce 100644
--- a/drivers/infiniband/ulp/sdp/sdp_main.c
+++ b/drivers/infiniband/ulp/sdp/sdp_main.c
@@ -490,10 +490,33 @@ static int sdp_disconnect(struct sock *sk, int flags)
 {
 	struct sdp_sock *ssk = sdp_sk(sk);
 	int rc = 0;
+	int old_state = sk->sk_state;
+	struct sdp_sock *s, *t;
+	struct rdma_cm_id *id = ssk->id;
+
 	sdp_dbg(sk, "%s\n", __func__);
 	if (ssk->id)
 		rc = rdma_disconnect(ssk->id);
-	return rc;
+
+	if (old_state != TCP_LISTEN)
+		return rc;
+
+	sdp_set_state(sk, TCP_CLOSE);
+	ssk->id = NULL;
+	release_sock(sk); /* release socket since locking semantics is parent
+			     inside child */
+	rdma_destroy_id(ssk->id);
+
+	list_for_each_entry_safe(s, t, &ssk->backlog_queue, backlog_queue) {
+		sk_common_release(&s->isk.sk);
+	}
+	list_for_each_entry_safe(s, t, &ssk->accept_queue, accept_queue) {
+		sk_common_release(&s->isk.sk);
+	}
+
+	lock_sock(sk);
+
+	return 0;
 }
 
 /* Like inet_csk_wait_for_connect */