linux-rdma.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Gal Pressman <galpress@amazon.com>,
	Parvi Kaustubhi <pkaustub@cisco.com>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Sasha Levin <sashal@kernel.org>,
	linux-rdma@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 108/671] IB/usnic: Fix out of bounds index check in query pkey
Date: Thu, 16 Jan 2020 11:45:39 -0500	[thread overview]
Message-ID: <20200116165502.8838-108-sashal@kernel.org> (raw)
In-Reply-To: <20200116165502.8838-1-sashal@kernel.org>

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 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


  parent reply	other threads:[~2020-01-16 16:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200116165502.8838-1-sashal@kernel.org>
2020-01-16 16:44 ` [PATCH AUTOSEL 4.19 019/671] IB/rxe: replace kvfree with vfree Sasha Levin
2020-01-16 16:44 ` [PATCH AUTOSEL 4.19 020/671] IB/hfi1: Add mtu check for operational data VLs Sasha Levin
2020-01-16 16:44 ` [PATCH AUTOSEL 4.19 036/671] RDMA/bnxt_re: Add missing spin lock initialization Sasha Levin
2020-01-16 16:44 ` [PATCH AUTOSEL 4.19 060/671] IB/hfi1: Correctly process FECN and BECN in packets Sasha Levin
2020-01-16 16:44 ` [PATCH AUTOSEL 4.19 062/671] IB/rxe: Fix incorrect cache cleanup in error flow Sasha Levin
2020-01-16 16:45 ` Sasha Levin [this message]
2020-01-16 16:45 ` [PATCH AUTOSEL 4.19 109/671] RDMA/ocrdma: Fix out of bounds index check in query pkey Sasha Levin
2020-01-16 16:45 ` [PATCH AUTOSEL 4.19 110/671] RDMA/qedr: " Sasha Levin
2020-01-16 16:45 ` [PATCH AUTOSEL 4.19 114/671] RDMA/iw_cxgb4: Fix the unchecked ep dereference Sasha Levin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200116165502.8838-108-sashal@kernel.org \
    --to=sashal@kernel.org \
    --cc=galpress@amazon.com \
    --cc=jgg@mellanox.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=pkaustub@cisco.com \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).