From: mike.marciniszyn@gmail.com
To: Alexander Duyck <alexanderduyck@fb.com>,
Jakub Kicinski <kuba@kernel.org>,
kernel-team@meta.com, Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>
Cc: mike.marciniszyn@gmail.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: [PATCH net] net: eth: fbnic: Fix addr validation in pcs write
Date: Wed, 29 Apr 2026 11:00:49 -0400 [thread overview]
Message-ID: <20260429150049.1643-1-mike.marciniszyn@gmail.com> (raw)
From: "Mike Marciniszyn (Meta)" <mike.marciniszyn@gmail.com>
This patch contains a fix for addr validation in fbnic_mdio_write_pcs().
Cc: stable@vger.kernel.org
Fixes: d0ce9fd7eae0 ("fbnic: Add SW shim for MDIO interface to PMD and PCS")
Signed-off-by: Mike Marciniszyn (Meta) <mike.marciniszyn@gmail.com>
---
drivers/net/ethernet/meta/fbnic/fbnic_mdio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mdio.c b/drivers/net/ethernet/meta/fbnic/fbnic_mdio.c
index 709041f7fc43..d6a124889f52 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_mdio.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_mdio.c
@@ -125,7 +125,7 @@ fbnic_mdio_write_pcs(struct fbnic_dev *fbd, int addr, int regnum, u16 val)
addr, regnum, val);
/* Allow access to both halves of PCS for 50R2 config */
- if (addr > 2)
+ if (addr >= 2)
return;
/* Skip write for reserved registers */
--
2.43.0
next reply other threads:[~2026-04-29 15:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-29 15:00 mike.marciniszyn [this message]
2026-05-01 13:46 ` [PATCH net] net: eth: fbnic: Fix addr validation in pcs write Simon Horman
2026-05-02 9:45 ` Mike Marciniszyn
2026-05-02 14:02 ` Andrew Lunn
2026-05-02 17:16 ` Mike Marciniszyn
2026-05-03 1:10 ` Andrew Lunn
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=20260429150049.1643-1-mike.marciniszyn@gmail.com \
--to=mike.marciniszyn@gmail.com \
--cc=alexanderduyck@fb.com \
--cc=andrew+netdev@lunn.ch \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=kernel-team@meta.com \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.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