From fe4aa6dddb324fa8945e9e0f5697b6a9201971a8 Mon Sep 17 00:00:00 2001 From: Gal Pressman Date: Mon, 7 Jan 2019 17:27:54 +0200 Subject: [PATCH] IB/usnic: Fix out of bounds index check in query pkey [ 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 Acked-by: Parvi Kaustubhi Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- 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 a5bfbba6bbac..cacb720f44a0 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;