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From: Greg KH <gregkh@linuxfoundation.org>
To: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Cc: heikki.krogerus@linux.intel.com, jon@solid-run.com,
	rafael.j.wysocki@intel.com, stable@vger.kernel.org
Subject: Re: [PATCH] software node: balance refcount for managed sw nodes
Date: Mon, 27 Sep 2021 15:34:02 +0200	[thread overview]
Message-ID: <YVHISkh2QngryHsR@kroah.com> (raw)
In-Reply-To: <97a611be-3deb-111e-5619-f0f015393e24@nxp.com>

On Mon, Sep 27, 2021 at 03:42:42PM +0300, Laurentiu Tudor wrote:
> 
> On 9/27/2021 3:17 PM, Greg KH wrote:
> > On Mon, Sep 27, 2021 at 01:22:49PM +0300, Laurentiu Tudor wrote:
> >> software_node_notify(), on KOBJ_REMOVE drops the refcount twice on managed
> >> software nodes, thus leading to underflow errors. Balance the refcount by
> >> bumping it in the device_create_managed_software_node() function.
> >>
> >> The error [1] was encountered after adding a .shutdown() op to our
> >> fsl-mc-bus driver.
> >>
> >> [Backported to stable from mainline commit
> >> 5aeb05b27f81 ("software node: balance refcount for managed software nodes")]
> 
> But ...

Ah, missed that up here in the middle of the changelog text, sorry.

greg k-h

  reply	other threads:[~2021-09-27 13:34 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27 10:22 [PATCH] software node: balance refcount for managed sw nodes Laurentiu Tudor
2021-09-27 12:17 ` Greg KH
2021-09-27 12:42   ` Laurentiu Tudor
2021-09-27 13:34     ` Greg KH [this message]
2021-09-27 13:36     ` Heikki Krogerus
  -- strict thread matches above, loose matches on Subject: below --
2021-07-16 10:16 laurentiu.tudor
2021-07-16 10:34 ` Laurentiu Tudor
2021-07-16 12:17 ` Andy Shevchenko
2021-07-16 17:21   ` Jon Nettleton
2021-07-19 12:00     ` Laurentiu Tudor
2021-07-19 12:22       ` Andy Shevchenko
2021-07-20  9:20         ` Laurentiu Tudor
2021-07-20 10:27           ` Andy Shevchenko
2021-07-26  7:59             ` Laurentiu Tudor
2021-09-07 15:59               ` Laurentiu Tudor
2021-09-09 12:13                 ` Heikki Krogerus
2021-09-09 12:16                   ` Heikki Krogerus
2021-09-09 14:01                     ` Laurentiu Tudor
2021-09-10 12:05                       ` Laurentiu Tudor
2021-09-10 12:38                         ` Heikki Krogerus
2021-09-10 13:00                           ` Laurentiu Tudor
2021-09-14 14:13                             ` Heikki Krogerus
2021-09-14 14:00 ` Heikki Krogerus

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