Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 057/343] IB/usnic: Fix out of bounds index check in query pkey | Date | Fri, 24 Jan 2020 10:27:55 +0100 |
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From: Gal Pressman <galpress@amazon.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@amazon.com> Acked-by: Parvi Kaustubhi <pkaustub@cisco.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Sasha Levin <sashal@kernel.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 fdfa25059723d..2602c7375d585 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -423,7 +423,7 @@ 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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