From nobody Sun Feb 8 15:08:03 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F7C821767D for ; Wed, 4 Feb 2026 09:02:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770195775; cv=none; b=p15XTw9l4hgboyYZn/Khn2PXOjG9PYEwnWELWtaQ0anoe5DQEziyIlrlKTPTlpVSm7wSyihjoFKx0PylX4Sm7EqCSnjSY0G3xp1LFddWgjc8gl209ep1QJMBMiFF4oECxgtRgKYU+U7h7F60GJKFqGpQVYB8hsLD2O4Jf+Xa/Uo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770195775; c=relaxed/simple; bh=YhkQ7ShrYTzFavzv0KvdW9pU4/2kDHWQ9FJZA61Nf9A=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=EKaCSGvGlD76/48NPqvQUKF2X027QdWXuzf3mRY+xCL0IkMnGy3uITMCFLb47XGz0H+l/Yk2/iOEjiwhu5KERoMAJNw3cwF/mRGB9YT+XI463f9popPIAybm7Zmn2AXyNClfsNpyaWFJKVTbzLIaEDfOzV3+0Z/jSF/43+iz4Zo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost (unknown [124.16.138.129]) by APP-01 (Coremail) with SMTP id qwCowAC3Ym4uC4Npvv4fBw--.26620S2; Wed, 04 Feb 2026 17:02:38 +0800 (CST) From: Chen Ni To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, qijian.guo@nxp.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Chen Ni Subject: [PATCH] drm/bridge: waveshare-dsi: Return devm_drm_bridge_add() to transfer the error Date: Wed, 4 Feb 2026 17:01:19 +0800 Message-Id: <20260204090119.2209476-1-nichen@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowAC3Ym4uC4Npvv4fBw--.26620S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZryfWFW7KrW8KFW5Gw4DArb_yoWDAFb_uF nYvry7uFsIyas5KF43Zr4Uua9Fva4DurWxWF47K39xJrW5Zr13Xw42qFyDJr18ZF48uFy7 Gw4UXFW7Zr47AjkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbTxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s 1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0 cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8Jw ACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka 0xkIwI1lc7CjxVAaw2AFwI0_Jw0_GFylc2xSY4AK67AK6r4fMxAIw28IcxkI7VAKI48JMx C20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAF wI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20x vE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v2 0xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxV W8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUjAsqtUUUUU== X-CM-SenderInfo: xqlfxv3q6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" Return devm_drm_bridge_add() in order to transfer the error if it fails. This ensures that the probe function fails safely rather than proceeding with a potentially incomplete bridge setup. Fixes: dbdea37add13 ("drm: bridge: Add waveshare DSI2DPI unit driver") Signed-off-by: Chen Ni --- drivers/gpu/drm/bridge/waveshare-dsi.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/waveshare-dsi.c b/drivers/gpu/drm/bridg= e/waveshare-dsi.c index 43f4e7412d72..e25b139b4a41 100644 --- a/drivers/gpu/drm/bridge/waveshare-dsi.c +++ b/drivers/gpu/drm/bridge/waveshare-dsi.c @@ -177,9 +177,8 @@ static int ws_bridge_probe(struct i2c_client *i2c) =20 ws->bridge.type =3D DRM_MODE_CONNECTOR_DPI; ws->bridge.of_node =3D dev->of_node; - devm_drm_bridge_add(dev, &ws->bridge); =20 - return 0; + return devm_drm_bridge_add(dev, &ws->bridge); } =20 static const struct of_device_id ws_bridge_of_ids[] =3D { --=20 2.25.1