linux-kernel - [PATCH 2.6.22 2/5] iw_cxgb3: Fail qp creation if the requested max

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Message-Id: <20070426202107.24234.91018.stgit@dell3.ogc.int>
Date:	Thu, 26 Apr 2007 15:21:09 -0500
From:	Steve Wise <swise@...ngridcomputing.com>
To:	rdreier@...co.com, jeff@...zik.org
Cc:	divy@...lsio.com, general@...ts.openfabrics.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 2.6.22 2/5] iw_cxgb3: Fail qp creation if the requested max_inline is too large.


Fail qp creation if the requested max_inline is too large.

Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
---

 drivers/infiniband/hw/cxgb3/cxio_wr.h       |    1 +
 drivers/infiniband/hw/cxgb3/iwch_provider.c |    3 +++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index 90d7b89..ff7290e 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -38,6 +38,7 @@ #include <linux/timer.h>
 #include "firmware_exports.h"
 
 #define T3_MAX_SGE      4
+#define T3_MAX_INLINE	64
 
 #define Q_EMPTY(rptr,wptr) ((rptr)==(wptr))
 #define Q_FULL(rptr,wptr,size_log2)  ( (((wptr)-(rptr))>>(size_log2)) && \
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 24e0df0..b1128ec 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -780,6 +780,9 @@ static struct ib_qp *iwch_create_qp(stru
 	if (rqsize > T3_MAX_RQ_SIZE)
 		return ERR_PTR(-EINVAL);
 
+	if (attrs->cap.max_inline_data > T3_MAX_INLINE)
+		return ERR_PTR(-EINVAL);
+
 	/*
 	 * NOTE: The SQ and total WQ sizes don't need to be
 	 * a power of two.  However, all the code assumes
-
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