linux-kernel - [PATCH] drm/bridge: synopsys: dw-dp: return when attach bridge fail

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Message-ID: <20251226223229.123860-1-osama.abdelkader@gmail.com>
Date: Fri, 26 Dec 2025 23:32:28 +0100
From: Osama Abdelkader <osama.abdelkader@...il.com>
To: Andy Yan <andy.yan@...k-chips.com>
Cc: Osama Abdelkader <osama.abdelkader@...il.com>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drm/bridge: synopsys: dw-dp: return when attach bridge fail

When drm_bridge_attach() fails, the function should return an error
instead of continuing execution.

Signed-off-by: Osama Abdelkader <osama.abdelkader@...il.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-dp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index 82aaf74e1bc0..b6fe313ccaf8 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -2062,8 +2062,10 @@ struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encoder *encoder,
 	}
 
 	ret = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR);
-	if (ret)
+	if (ret) {
 		dev_err_probe(dev, ret, "Failed to attach bridge\n");
+		return ERR_PTR(ret);
+	}
 
 	dw_dp_init_hw(dp);
 
-- 
2.43.0