From 58a5efca7411dc52b9b5b8d1fb5ab503a5dbc889 Mon Sep 17 00:00:00 2001
From: Roland Dreier <rolandd@cisco.com>
Date: Thu, 6 Oct 2005 13:25:16 -0700
Subject: [PATCH] --- yaml --- r: 10703 b: refs/heads/master c:
 e23d6d2b090658007732770720a44375cba23200 h: refs/heads/master i:   10701:
 a27059a01e867f343bf6c391e9e7c6da18786b51   10699:
 d298c3b08cd3507ba322a7c3d1993f878a4ed080   10695:
 82af45b45f2b3481868b15eef8ffd41b01633f5c   10687:
 bd9089edc40b9e2b26709bad6fca4448ebd98411 v: v3

---
 [refs]                                        |  2 +-
 trunk/drivers/infiniband/hw/mthca/mthca_srq.c | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index a79fff432ffd..529ea248e8e3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 90f104da22bbf2e2b8a2136c12fb4e013fccf504
+refs/heads/master: e23d6d2b090658007732770720a44375cba23200
diff --git a/trunk/drivers/infiniband/hw/mthca/mthca_srq.c b/trunk/drivers/infiniband/hw/mthca/mthca_srq.c
index 13d2290261d9..e464321a7aa7 100644
--- a/trunk/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/trunk/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -438,6 +438,14 @@ int mthca_tavor_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 
 		wqe       = get_wqe(srq, ind);
 		next_ind  = *wqe_to_link(wqe);
+
+		if (next_ind < 0) {
+			mthca_err(dev, "SRQ %06x full\n", srq->srqn);
+			err = -ENOMEM;
+			*bad_wr = wr;
+			break;
+		}
+
 		prev_wqe  = srq->last;
 		srq->last = wqe;
 
@@ -529,6 +537,13 @@ int mthca_arbel_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 		wqe       = get_wqe(srq, ind);
 		next_ind  = *wqe_to_link(wqe);
 
+		if (next_ind < 0) {
+			mthca_err(dev, "SRQ %06x full\n", srq->srqn);
+			err = -ENOMEM;
+			*bad_wr = wr;
+			break;
+		}
+
 		((struct mthca_next_seg *) wqe)->nda_op =
 			cpu_to_be32((next_ind << srq->wqe_shift) | 1);
 		((struct mthca_next_seg *) wqe)->ee_nds = 0;