Re: [PATCH] drm/sun4i: Replace redundant return value judgment with PTR_ERR_OR_ZERO()

Replace redundant return value judgment with PTR_ERR_OR_ZERO() to
enhance code readability.

Signed-off-by: Liao Yuanhong <redacted>
---
 drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c | 5 +----
 drivers/gpu/drm/sun4i/sun4i_tcon_dclk.c     | 5 +----
 drivers/gpu/drm/sun4i/sun8i_hdmi_phy_clk.c  | 5 +----
 3 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c
index fbf7da9d9592..c90dd0ad040f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c

@@ -229,8 +229,5 @@ int sun4i_tmds_create(struct sun4i_hdmi *hdmi)
 	tmds->div_offset = hdmi->variant->tmds_clk_div_offset;
 
 	hdmi->tmds_clk = devm_clk_register(hdmi->dev, &tmds->hw);
-	if (IS_ERR(hdmi->tmds_clk))
-		return PTR_ERR(hdmi->tmds_clk);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(hdmi->tmds_clk);