[PATCH] drm/sun4i: hdmi: Use PTR_ERR_OR_ZERO() to simplify code

[Tian Tao]

Fixes coccicheck warning:
drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c:281:1-3: WARNING: PTR_ERR_OR_ZERO
can be used

Signed-off-by: Tian Tao <tiant...@hisilicon.com>
---
 drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c 
b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
index b66fa27..12a7b7b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_i2c.c
@@ -278,10 +278,8 @@ static int sun4i_hdmi_init_regmap_fields(struct sun4i_hdmi 
*hdmi)
        hdmi->field_ddc_sck_en =
                devm_regmap_field_alloc(hdmi->dev, hdmi->regmap,
                                        hdmi->variant->field_ddc_sck_en);
-       if (IS_ERR(hdmi->field_ddc_sck_en))
-               return PTR_ERR(hdmi->field_ddc_sck_en);
 
-       return 0;
+       return PTR_ERR_OR_ZERO(hdmi->field_ddc_sck_en);
 }
 
 int sun4i_hdmi_i2c_create(struct device *dev, struct sun4i_hdmi *hdmi)
-- 
2.7.4