[PATCH] drm/sun4i: Use PTR_ERR_OR_ZERO

[Himanshu Jha]

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Signed-off-by: Himanshu Jha <himanshujha199...@gmail.com>
---
 drivers/gpu/drm/sun4i/sun4i_dotclock.c      | 5 +----
 drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c  | 5 +----
 drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c | 5 +----
 3 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c 
b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
index d401156..35929b3 100644
--- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c
+++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
@@ -178,10 +178,7 @@ int sun4i_dclk_create(struct device *dev, struct 
sun4i_tcon *tcon)
        dclk->hw.init = &init;
 
        tcon->dclk = clk_register(dev, &dclk->hw);
-       if (IS_ERR(tcon->dclk))
-               return PTR_ERR(tcon->dclk);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(tcon->dclk);
 }
 EXPORT_SYMBOL(sun4i_dclk_create);
 
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c 
b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
index 4692e8c..882c80a 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
@@ -120,8 +120,5 @@ int sun4i_ddc_create(struct sun4i_hdmi *hdmi, struct clk 
*parent)
        ddc->hw.init = &init;
 
        hdmi->ddc_clk = devm_clk_register(hdmi->dev, &ddc->hw);
-       if (IS_ERR(hdmi->ddc_clk))
-               return PTR_ERR(hdmi->ddc_clk);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(hdmi->ddc_clk);
 }
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c 
b/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c
index 5cf2527..44aa870 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c
@@ -218,8 +218,5 @@ int sun4i_tmds_create(struct sun4i_hdmi *hdmi)
        tmds->hw.init = &init;
 
        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);
 }
-- 
2.7.4