From: Johan Hovold <johan@kernel.org>
To: Stanislaw Gruszka <stf_xl@wp.pl>
Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org,
Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Subject: Re: [PATCH] wifi: rt2x00usb: fix devres lifetime
Date: Fri, 27 Mar 2026 12:28:38 +0100 [thread overview]
Message-ID: <acZp5kY0U_dTfbD_@hovoldconsulting.com> (raw)
In-Reply-To: <20260327110730.GA16592@wp.pl>
On Fri, Mar 27, 2026 at 12:07:30PM +0100, Stanislaw Gruszka wrote:
> Hi
>
> On Fri, Mar 27, 2026 at 11:47:26AM +0100, Johan Hovold wrote:
> > USB drivers bind to USB interfaces and any device managed resources
> > should have their lifetime tied to the interface rather than parent USB
> > device. This avoids issues like memory leaks when drivers are unbound
> > without their devices being physically disconnected (e.g. on probe
> > deferral or configuration changes).
> >
> > Fix the USB anchor lifetime so that it is released on driver unbind.
> >
> > Fixes: 9f2d3eae88d2 ("can: ucan: add driver for Theobroma Systems UCAN devices")
>
> Fix tag is wrong (and also cc based on it). Tag should be:
> 8b4c0009313f ("rt2x00usb: Use usb anchor to manage URB").
Of course, thanks for catching that. I'll send a v2.
Johan
prev parent reply other threads:[~2026-03-27 11:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-27 10:47 [PATCH] wifi: rt2x00usb: fix devres lifetime Johan Hovold
2026-03-27 11:07 ` Stanislaw Gruszka
2026-03-27 11:28 ` Johan Hovold [this message]
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