linux-kernel - [PATCH 4.19 125/639] RDMA/ocrdma: Fix out of bounds index check in query pkey

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Message-Id: <20200124093102.963229325@linuxfoundation.org>
Date:   Fri, 24 Jan 2020 10:24:55 +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, Gal Pressman <galpress@...zon.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 125/639] RDMA/ocrdma: Fix out of bounds index check in query pkey

From: Gal Pressman <galpress@...zon.com>

[ Upstream commit b188940796c7be31c1b8c25a9a0e0842c2e7a49e ]

The pkey table size is one element, index should be tested for > 0 instead
of > 1.

Fixes: fe2caefcdf58 ("RDMA/ocrdma: Add driver for Emulex OneConnect IBoE RDMA adapter")
Signed-off-by: Gal Pressman <galpress@...zon.com>
Signed-off-by: Jason Gunthorpe <jgg@...lanox.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index c158ca9fde6dc..08271fce0b9e4 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -55,7 +55,7 @@
 
 int ocrdma_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
 {
-	if (index > 1)
+	if (index > 0)
 		return -EINVAL;
 
 	*pkey = 0xffff;
-- 
2.20.1