Re: [PATCH 2/4] drm/bridge: display-connector: Fix I2C adapter resource leak

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

On Fri, Jul 17, 2026 at 05:03:49PM +0200, Johan Hovold wrote:
> On Mon, Jul 06, 2026 at 12:35:40AM +0300, Laurent Pinchart wrote:
> > If the probe function returns an error after getting the I2C adapter for
> > DDC, the reference to the adapter is never released. Fix it by releasing
> > it in the bridge .destroy() handler.
> > 
> > There is no need to test the ddc pointer with !IS_ERR(), as
> > of_get_i2c_adapter_by_node() returns NULL on error.
> 
> I stumbled over this this morning as well and posted a fix here (which
> releases the adapter on driver unbind as is currently done):
> 
> 	https://lore.kernel.org/lkml/20260717085716.1619275-1-johan@kernel.org/
> 
> > Fixes: 6de79dd3a920 ("drm/bridge: display-connector: add ddc-en gpio support")
> 
> I believe this issue was first introduced by commit 2e2bf3a5584d
> ("drm/bridge: display-connector: add DP support") a few releases
> earlier.

You're right. I'll update the Fixes: tag.

> > Cc: stable@vger.kernel.org
> > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> 
> Reviewed-by: Johan Hovold <johan@kernel.org>

-- 
Regards,

Laurent Pinchart