netdev - [PATCH] amso1100: QP init bug in amso driver

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Date:	Tue, 24 Jul 2007 14:31:52 -0500
From:	Tom Tucker <tom@...ngridcomputing.com>
To:	Roland Dreier <rdreier@...co.com>
Cc:	OpenFabrics General <general@...ts.openfabrics.org>,
	netdev@...r.kernel.org, eaburns@....unh.edu
Subject: [PATCH] amso1100: QP init bug in amso driver

Roland:

The guys at UNH found this and fixed it. I'm surprised no
one has hit this before. I guess it only breaks when the 
refcount on the QP is non-zero.

Initialize the wait_queue_head_t in the c2_qp structure.

Signed-off-by: Ethan Burns <eaburns@....unh.edu>
Acked-by: Tom Tucker <tom@...ngridcomputing.com>

---
 drivers/infiniband/hw/amso1100/c2_qp.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c
index 420c138..01d0786 100644
--- a/drivers/infiniband/hw/amso1100/c2_qp.c
+++ b/drivers/infiniband/hw/amso1100/c2_qp.c
@@ -506,6 +506,7 @@ int c2_alloc_qp(struct c2_dev *c2dev,
 	qp->send_sgl_depth = qp_attrs->cap.max_send_sge;
 	qp->rdma_write_sgl_depth = qp_attrs->cap.max_send_sge;
 	qp->recv_sgl_depth = qp_attrs->cap.max_recv_sge;
+	init_waitqueue_head(&qp->wait);
 
 	/* Initialize the SQ MQ */
 	q_size = be32_to_cpu(reply->sq_depth);

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