drm/msm/hdmi: Fix missing put_device() call in msm_hdmi_get_phy

The reference taken by 'of_find_device_by_node()' must be released when not needed anymore.
Add the corresponding 'put_device()' in the error handling path.

Fixes e00012b256d4 ("drm/msm/hdmi: Make HDMI core get its PHY")

Signed-off-by Miaoqian Lin <[email protected]>

---
  drivers/gpu/drm/msm/hdmi/hdmi.c | 7 ++++++-
  1 file changed, 6 insertions(+), 1 deletion(-)

drivers/gpu/drm/msm/hdmi/hdmi.c +6 -1

index 75b64e6ae035..a439794a32e8 100644
@@ -95,10 +95,15 @@ static int msm_hdmi_get_phy(struct hdmi *hdmi)
 
  	of_node_put(phy_node);
 
-	if (!phy_pdev || !hdmi->phy) {
+	if (!phy_pdev) {
  		DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n");
  		return -EPROBE_DEFER;
  	}
+	if (!hdmi->phy) {
+		DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n");
+		put_device(&phy_pdev->dev);
+		return -EPROBE_DEFER;
+	}
 
  	hdmi->phy_dev = get_device(&phy_pdev->dev);