From: "Sverdlin, Alexander" <alexander.sverdlin@siemens.com>
To: "andrew@lunn.ch" <andrew@lunn.ch>
Cc: "pavel@kernel.org" <pavel@kernel.org>,
"mike.marciniszyn@gmail.com" <mike.marciniszyn@gmail.com>,
"lee@kernel.org" <lee@kernel.org>,
"kees@kernel.org" <kees@kernel.org>,
"kabel@kernel.org" <kabel@kernel.org>,
"ansuelsmth@gmail.com" <ansuelsmth@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>,
"kuba@kernel.org" <kuba@kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH v2 1/4] leds: trigger: netdev: Put netdev on activate error path
Date: Mon, 28 Sep 2026 08:27:28 +0000 [thread overview]
Message-ID: <cff6e9fbacfcde5f1bc3243789d1d5aa1157ec37.camel@siemens.com> (raw)
In-Reply-To: <13e58137-2104-4ba4-9d41-e30ba5dfb367@lunn.ch>
Hi Andrew!
On Sun, 2026-09-27 at 17:02 +0200, Andrew Lunn wrote:
> On Mon, Sep 21, 2026 at 11:32:43AM +0200, A. Sverdlin wrote:
> > From: Alexander Sverdlin <alexander.sverdlin@siemens.com>
> >
> > When hw control is active, set_device_name() takes a reference on the
> > netdev via dev_get_by_name(). The register_netdevice_notifier() failure
> > path frees trigger_data without dropping it, leaking the netdev.
>
> Maybe it would be better to add a unset_device_name(), which releases
> the reference, and does anything else which needs to be undone?
ACK
pw-bot: cr
--
Alexander Sverdlin
Siemens AG
www.siemens.com
next prev parent reply other threads:[~2026-09-28 8:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 9:32 [PATCH v2 0/4] leds: trigger: netdev: fix sysfs_update_group() races A. Sverdlin
2026-09-21 9:32 ` [PATCH v2 1/4] leds: trigger: netdev: Put netdev on activate error path A. Sverdlin
2026-09-27 15:02 ` Andrew Lunn
2026-09-28 8:27 ` Sverdlin, Alexander [this message]
2026-09-21 9:32 ` [PATCH v2 2/4] leds: trigger: netdev: Access net_dev under trigger_data->lock in the worker A. Sverdlin
2026-09-27 15:05 ` Andrew Lunn
2026-09-28 8:27 ` Sverdlin, Alexander
2026-09-21 9:32 ` [PATCH v2 3/4] leds: trigger: netdev: Fix sysfs_update_group() races A. Sverdlin
2026-09-28 9:10 ` Sverdlin, Alexander
2026-09-21 9:32 ` [PATCH v2 4/4] leds: trigger: netdev: Serialize mode/interval stores with trigger lock A. Sverdlin
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