[PATCH 3/5] drm/sun4i: Use PTR_ERR_OR_ZERO() to simplify code in sun4i_dclk_create

[zhengbin]

Fixes coccicheck warning:

drivers/gpu/drm/sun4i/sun4i_dotclock.c:194:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: zhengbin <zhengbin13 at huawei.com>
---
 drivers/gpu/drm/sun4i/sun4i_dotclock.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
index 417ade3d..b4db36c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c
+++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
@@ -191,10 +191,7 @@ 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);

--
2.7.4