linux-kernel - Re: [PATCH] mux: mmio: fix regmap leak on probe failure

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Message-ID: <2026020547-primp-dominion-cbc3@gregkh>
Date: Thu, 5 Feb 2026 17:07:53 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Johan Hovold <johan@...nel.org>
Cc: Peter Rosin <peda@...ntia.se>, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org, Andrew Davis <afd@...com>
Subject: Re: [PATCH] mux: mmio: fix regmap leak on probe failure

On Wed, Feb 04, 2026 at 05:18:00PM +0100, Johan Hovold wrote:
> Hi Greg and Peter,
> 
> On Tue, Jan 27, 2026 at 04:56:15PM +0100, Johan Hovold wrote:
> > On Thu, Nov 27, 2025 at 02:47:02PM +0100, Johan Hovold wrote:
> > > The mmio regmap that may be allocated during probe is never freed.
> > > 
> > > Switch to using the device managed allocator so that the regmap is
> > > released on probe failures (e.g. probe deferral) and on driver unbind.
> > > 
> > > Fixes: 61de83fd8256 ("mux: mmio: Do not use syscon helper to build regmap")
> > > Cc: stable@...r.kernel.org	# 6.16
> > > Cc: Andrew Davis <afd@...com>
> > > Signed-off-by: Johan Hovold <johan@...nel.org>
> > > ---
> > 
> > Can this one be picked up for 6.20?
> 
> This one has been sitting on the list for over two months now without
> any comment from Peter.
> 
> I know there have been some issues in the past which patches for this
> subsystem not being picked up, so perhaps you could just take this one
> directly, Greg?
> 
> It's been reviewed by Andrew.
> 
> Johan

Now taken, thanks.,

greg k-h