drm/sun4i: dw-hdmi: Fix missing put_device() call in sun8i_hdmi_phy_get

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: 9bf3797 ("drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device")
Signed-off-by: Miaoqian Lin <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: Yuuoniy

drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c

@@ -658,8 +658,10 @@ int sun8i_hdmi_phy_get(struct sun8i_dw_hdmi *hdmi, struct device_node *node)
 		return -EPROBE_DEFER;
 
 	phy = platform_get_drvdata(pdev);
-	if (!phy)
+	if (!phy) {
+		put_device(&pdev->dev);
 		return -EPROBE_DEFER;
+	}
 
 	hdmi->phy = phy;