linux-kernel - [PATCH 4.9 063/139] RDMA/qedr: Fix use of uninitialized field

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Date:   Tue, 27 Oct 2020 14:49:17 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Michal Kalderon <michal.kalderon@...vell.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 063/139] RDMA/qedr: Fix use of uninitialized field

From: Michal Kalderon <michal.kalderon@...vell.com>

[ Upstream commit a379ad54e55a12618cae7f6333fd1b3071de9606 ]

dev->attr.page_size_caps was used uninitialized when setting device
attributes

Fixes: ec72fce401c6 ("qedr: Add support for RoCE HW init")
Link: https://lore.kernel.org/r/20200902165741.8355-4-michal.kalderon@marvell.com
Signed-off-by: Michal Kalderon <michal.kalderon@...vell.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/hw/qedr/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index f937873e93dfc..b95f1457c407d 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -527,7 +527,7 @@ static int qedr_set_device_attr(struct qedr_dev *dev)
 	qed_attr = dev->ops->rdma_query_device(dev->rdma_ctx);
 
 	/* Part 2 - check capabilities */
-	page_size = ~dev->attr.page_size_caps + 1;
+	page_size = ~qed_attr->page_size_caps + 1;
 	if (page_size > PAGE_SIZE) {
 		DP_ERR(dev,
 		       "Kernel PAGE_SIZE is %ld which is smaller than minimum page size (%d) required by qedr\n",
-- 
2.25.1