[PATCH -next] drm/omap: Use PTR_ERR_OR_ZERO in hdmi4_core_init()

[YueHaibing]

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

Signed-off-by: YueHaibing <yuehaibing at huawei.com>
---
 drivers/gpu/drm/omapdrm/dss/hdmi4_core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
index e384b95ad857..8287ade5ece0 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
@@ -934,8 +934,5 @@ int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "core");
 	core->base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(core->base))
-		return PTR_ERR(core->base);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(core->base);
 }