| From 7413b7379ae63a8733abb06c4a56ac16c9f2cd58 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Mon, 7 Jan 2019 17:27:54 +0200 |
| Subject: IB/usnic: Fix out of bounds index check in query pkey |
| |
| 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 a5bfbba6bbac0..cacb720f44a02 100644 |
| --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c |
| +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c |
| @@ -425,7 +425,7 @@ int usnic_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
| 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 |
| |