linux-kernel - [PATCH] drm/bridge: lt9611: Fix an error handling path in lt9611

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Date:   Sat, 29 Jan 2022 16:06:24 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sam Ravnborg <sam@...nborg.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Vinod Koul <vkoul@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH] drm/bridge: lt9611: Fix an error handling path in lt9611_probe()

If lt9611_audio_init() fails, some resources still need to be released
before returning an error code.

Add the missing goto the error handling path.

Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/gpu/drm/bridge/lontium-lt9611.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index dafb1b47c15f..00597eb54661 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
@@ -1164,7 +1164,11 @@ static int lt9611_probe(struct i2c_client *client,
 
 	lt9611_enable_hpd_interrupts(lt9611);
 
-	return lt9611_audio_init(dev, lt9611);
+	ret = lt9611_audio_init(dev, lt9611);
+	if (ret)
+		goto err_remove_bridge;
+
+	return 0;
 
 err_remove_bridge:
 	drm_bridge_remove(&lt9611->bridge);
-- 
2.32.0