From: Chen Ni Date: Wed, 4 Feb 2026 09:06:29 +0000 (+0800) Subject: drm/imx: parallel-display: check return value of devm_drm_bridge_add() in imx_pd_probe() X-Git-Tag: v7.0-rc2~27^2~2^2~16 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5f8658f97ec392eeaf355d4e9775ae1f23ca1d3;p=thirdparty%2Fkernel%2Fstable.git drm/imx: parallel-display: check return value of devm_drm_bridge_add() in imx_pd_probe() Return the value of devm_drm_bridge_add() in order to propagate the error properly, if it fails due to resource allocation failure or bridge registration failure. This ensures that the probe function fails safely rather than proceeding with a potentially incomplete bridge setup. Fixes: bf7e97910b9f ("drm/imx: parallel-display: add the bridge before attaching it") Signed-off-by: Chen Ni Reviewed-by: Luca Ceresoli Link: https://patch.msgid.link/20260204090629.2209542-1-nichen@iscas.ac.cn Signed-off-by: Luca Ceresoli --- diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c index 6fbf505d2801d..590120a33fa07 100644 --- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c +++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c @@ -256,7 +256,9 @@ static int imx_pd_probe(struct platform_device *pdev) platform_set_drvdata(pdev, imxpd); - devm_drm_bridge_add(dev, &imxpd->bridge); + ret = devm_drm_bridge_add(dev, &imxpd->bridge); + if (ret) + return ret; return component_add(dev, &imx_pd_ops); }