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Message-Id: <20200116165502.8838-108-sashal@kernel.org>
Date: Thu, 16 Jan 2020 11:45:39 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Gal Pressman <galpress@...zon.com>,
Parvi Kaustubhi <pkaustub@...co.com>,
Jason Gunthorpe <jgg@...lanox.com>,
Sasha Levin <sashal@...nel.org>, linux-rdma@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 108/671] IB/usnic: Fix out of bounds index check in query pkey
From: Gal Pressman <galpress@...zon.com>
[ Upstream commit 4959d5da5737dd804255c75b8cea0a2929ce279a ]
The pkey table size is one element, index should be tested for > 0 instead
of > 1.
Fixes: e3cf00d0a87f ("IB/usnic: Add Cisco VIC low-level hardware driver")
Signed-off-by: Gal Pressman <galpress@...zon.com>
Acked-by: Parvi Kaustubhi <pkaustub@...co.com>
Signed-off-by: Jason Gunthorpe <jgg@...lanox.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 3db232429630..e611f133aa97 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -447,7 +447,7 @@ struct net_device *usnic_get_netdev(struct ib_device *device, u8 port_num)
int usnic_ib_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
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