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Message-ID: <2024061214-aloe-fried-9841@gregkh>
Date: Wed, 12 Jun 2024 14:33:29 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Daniel Golle <daniel@...rotopia.org>
Cc: stable@...r.kernel.org, "Russell King (Oracle)" <linux@...linux.org.uk>,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Simon Horman <horms@...nel.org>, netdev@...r.kernel.org
Subject: Re: [PATCH net] net: sfp-bus: fix SFP mode detect from bitrate
On Thu, May 30, 2024 at 11:39:55AM +0100, Daniel Golle wrote:
> Hi stable team,
>
> > > On Mon, 15 Jan 2024 12:43:38 +0000
> > > "Russell King (Oracle)" <rmk+kernel@...linux.org.uk> wrote:
> > >
> > > > The referenced commit moved the setting of the Autoneg and pause bits
> > > > early in sfp_parse_support(). However, we check whether the modes are
> > > > empty before using the bitrate to set some modes. Setting these bits
> > > > so early causes that test to always be false, preventing this working,
> > > > and thus some modules that used to work no longer do.
> > > >
> > > > Move them just before the call to the quirk.
> > > >
> > > > Fixes: 8110633db49d ("net: sfp-bus: allow SFP quirks to override Autoneg and pause bits")
> > > > Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
>
> please apply this patch also to Linux stable down to v6.4 which are
> affected by problems introduced by commit 8110633db49d ("net: sfp-bus:
> allow SFP quirks to override Autoneg and pause bits").
>
> The fix has been applied to net tree as commit 97eb5d51b4a5 ("net:
> sfp-bus: fix SFP mode detect from bitrate") but never picked for older
> kernel versions affected as well.
Ok, applied to 6.6 only.
greg k-h
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