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

[Miaoqian Lin]

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 <linmq...@gmail.com>
---
 drivers/gpu/drm/msm/hdmi/hdmi.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 75b64e6ae035..a439794a32e8 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -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);
 
-- 
2.17.1