drm/msm/hdmi: use PTR_ERR_OR_ZERO() to simplify the code

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

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 33bf52c6b312ccfc792ef3010e74a854df0554d1..973720792236fe4dfd68327137dbc2202501058e 100644 (file)
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -537,10 +537,7 @@ static int msm_hdmi_register_audio_driver(struct hdmi *hdmi, struct device *dev)
                                                         PLATFORM_DEVID_AUTO,
                                                         &codec_data,
                                                         sizeof(codec_data));
-       if (IS_ERR(hdmi->audio_pdev))
-               return PTR_ERR(hdmi->audio_pdev);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(hdmi->audio_pdev);
 }
 
 static int msm_hdmi_bind(struct device *dev, struct device *master, void *data)