linux-kernel - [PATCH 5.4 091/158] drm/sun4i: dw-hdmi: fix error return code in sun8i_dw_hdmi

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Message-Id: <20201123121824.321720277@linuxfoundation.org>
Date:   Mon, 23 Nov 2020 13:21:59 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Xiongfeng Wang <wangxiongfeng2@...wei.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 091/158] drm/sun4i: dw-hdmi: fix error return code in sun8i_dw_hdmi_bind()

From: Xiongfeng Wang <wangxiongfeng2@...wei.com>

[ Upstream commit 6654b57866b98230a270953dd34f67de17ab1708 ]

Fix to return a negative error code from the error handling case instead
of 0 in function sun8i_dw_hdmi_bind().

Fixes: b7c7436a5ff0 ("drm/sun4i: Implement A83T HDMI driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@...wei.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@...l.net>
Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1605488969-5211-1-git-send-email-wangxiongfeng2@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
index a44dca4b0219e..12fe241956213 100644
--- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
+++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
@@ -209,6 +209,7 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master,
 	phy_node = of_parse_phandle(dev->of_node, "phys", 0);
 	if (!phy_node) {
 		dev_err(dev, "Can't found PHY phandle\n");
+		ret = -EINVAL;
 		goto err_disable_clk_tmds;
 	}
 
-- 
2.27.0