linux-kernel - Re: [PATCH] drm: zynqmp_dpsub: Fix an error handling path in zynqmp_dpsub

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Date: Thu, 13 Jun 2024 11:05:01 -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 11:05, Sean Anderson wrote:
> 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>

Will this be applied soon? The patch it fixes has made its way into the stable tree already.

--Sean