linux-kernel - [PATCH 5.10 317/593] drm/rockchip: lvds: Fix an error handling path

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Message-Id: <20210712060920.314791372@linuxfoundation.org>
Date:   Mon, 12 Jul 2021 08:07:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Heiko Stuebner <heiko@...ech.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 317/593] drm/rockchip: lvds: Fix an error handling path

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>

[ Upstream commit 3dfa159f6b0c054eb63673fbf643a5f2cc862e63 ]

'ret' is know to be 0 a this point. Checking the return value of
'phy_init()' and 'phy_set_mode()' was intended instead.

So add the missing assignments.

Fixes: cca1705c3d89 ("drm/rockchip: lvds: Add PX30 support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/248220d4815dc8c8088cebfab7d6df5f70518438.1619881852.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/rockchip/rockchip_lvds.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index 41edd0a421b2..7c20b4a24a7e 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -499,11 +499,11 @@ static int px30_lvds_probe(struct platform_device *pdev,
 	if (IS_ERR(lvds->dphy))
 		return PTR_ERR(lvds->dphy);
 
-	phy_init(lvds->dphy);
+	ret = phy_init(lvds->dphy);
 	if (ret)
 		return ret;
 
-	phy_set_mode(lvds->dphy, PHY_MODE_LVDS);
+	ret = phy_set_mode(lvds->dphy, PHY_MODE_LVDS);
 	if (ret)
 		return ret;
 
-- 
2.30.2