From: Michael S. Tsirkin <mst@mellanox.co.il>
Date: Sun, 27 Aug 2006 12:28:09 +0000 (+0300)
Subject: IB/sdp: request notification only if CQ exists.
X-Git-Tag: v4.1.12-92~264^2~5^2~382
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bbd9a1643b3b5e2cdd436c7d47253a1ad2220945;p=users%2Fjedix%2Flinux-maple.git

IB/sdp: request notification only if CQ exists.

Further, poll after request for notification, as required by IB spec.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
---

diff --git a/drivers/infiniband/ulp/sdp/sdp_main.c b/drivers/infiniband/ulp/sdp/sdp_main.c
index ed919a34fb9f8..2e28438688c2a 100644
--- a/drivers/infiniband/ulp/sdp/sdp_main.c
+++ b/drivers/infiniband/ulp/sdp/sdp_main.c
@@ -557,11 +557,17 @@ static struct sock *sdp_accept(struct sock *sk, int flags, int *err)
 	newssk->parent = NULL;
 	sk_acceptq_removed(sk);
 	newsk = &newssk->isk.sk;
-	sdp_dbg(sk, "%s: ib_req_notify_cq\n", __func__);
-	ib_req_notify_cq(newssk->cq, IB_CQ_NEXT_COMP);
-	/* TODO: poll cq here */
 out:
 	release_sock(sk);
+	if (newsk) {
+		lock_sock(newsk);
+		if (newssk->cq) {
+			sdp_dbg(newsk, "%s: ib_req_notify_cq\n", __func__);
+			ib_req_notify_cq(newssk->cq, IB_CQ_NEXT_COMP);
+			sdp_poll_cq(newssk, newssk->cq);
+		}
+		release_sock(newsk);
+	}
 	sdp_dbg(sk, "%s: status %d sk %p newsk %p\n", __func__,
 		*err, sk, newsk);
 	return newsk;