[PATCH 5.9 149/252] drm/sun4i: dw-hdmi: fix error return code in sun8i_dw_hdmi_bind()

From: Greg Kroah-Hartman
Date: Mon Nov 23 2020 - 08:08:22 EST


From: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx>
Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/1605488969-5211-1-git-send-email-wangxiongfeng2@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 d4c08043dd81d..92add2cef2e7d 100644
--- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
+++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
@@ -208,6 +208,7 @@ 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