Re: [PATCH] power: supply: cros_peripheral_charger: unregister EC notifier

[Tzung-Bi Shih]

On Mon, Jun 15, 2026 at 02:31:05PM +0800, Pengpeng Hou wrote:
> cros_pchg_probe() registers an EC event notifier whose callback uses the
> devm-allocated charger_data via container_of().  The driver has no
> remove callback and does not unregister the notifier, so the notifier
> chain can retain a pointer to freed driver state after unbind or probe
> cleanup.
> 
> Register a devm cleanup action immediately after the notifier is
> installed so the notifier is unregistered before the driver state is
> released.  Also fail probe if the notifier cannot be registered, instead
> of leaving a charger device that cannot receive EC events.
> 
> Signed-off-by: Pengpeng Hou <pengpeng@xxxxxxxxxxx>

A possible nit is to use s/cros_peripheral_charger/cros_pchg/ in the patch
subject to leave more space for the summary.

With or without this,
Reviewed-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>