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Date: Mon, 20 May 2024 11:05:57 -0400
From: Sean Anderson <sean.anderson@...ux.dev>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>,
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
 Michal Simek <michal.simek@....com>
Cc: linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] drm: zynqmp_dpsub: Fix an error handling path in
 zynqmp_dpsub_probe()

On 5/20/24 05:40, Christophe JAILLET wrote:
> If zynqmp_dpsub_drm_init() fails, we must undo the previous
> drm_bridge_add() call.
> 
> Fixes: be3f3042391d ("drm: zynqmp_dpsub: Always register bridge")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> Compile tested only
> ---
>  drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> index face8d6b2a6f..f5781939de9c 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
> @@ -269,6 +269,7 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev)
>  	return 0;
>  
>  err_disp:
> +	drm_bridge_remove(dpsub->bridge);
>  	zynqmp_disp_remove(dpsub);
>  err_dp:
>  	zynqmp_dp_remove(dpsub);

Reviewed-by: Sean Anderson <sean.anderso@...ux.dev>

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