From patchwork Tue Feb 16 08:59:50 2010
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Date: Tue, 16 Feb 2010 09:59:50 +0100
From: Alexander Schmidt <alexs@linux.vnet.ibm.com>
To: Roland Dreier <rdreier@cisco.com>,
	Linux RDMA <linux-rdma@vger.kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>, Christoph Raisch <raisch@de.ibm.com>,
	Stefan Roscher <stefan.roscher@de.ibm.com>,
	Hoang-Nam Nguyen <HNGUYEN@linux.vnet.ibm.com>,
	Joachim Fenkes <fenkes@de.ibm.com>, of-ewg <ewg@openfabrics.org>
Subject: [PATCH] ib/ehca: fix in_wc handling in process_mad()
Message-ID: <20100216095950.15c6eb9d@alex-laptop>
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--- linux-2.6.orig/drivers/infiniband/hw/ehca/ehca_sqp.c
+++ linux-2.6/drivers/infiniband/hw/ehca/ehca_sqp.c
@@ -222,7 +222,7 @@ int ehca_process_mad(struct ib_device *i
 {
 	int ret;
 
-	if (!port_num || port_num > ibdev->phys_port_cnt)
+	if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc)
 		return IB_MAD_RESULT_FAILURE;
 
 	/* accept only pma request */