Patch "drm/sun4i: dw-hdmi: Fix missing put_device() call in sun8i_hdmi_phy_get" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

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

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-sun4i-dw-hdmi-fix-missing-put_device-call-in-sun.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit f1c7237c9e9b5cd94246d005bdb28882a47b44ec
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date:   Fri Jan 7 08:36:32 2022 +0000

    drm/sun4i: dw-hdmi: Fix missing put_device() call in sun8i_hdmi_phy_get
    
    [ Upstream commit c71af3dae3e34d2fde0c19623cf7f8483321f0e3 ]
    
    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: 9bf3797796f5 ("drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device")
    Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
    Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
    Link: https://patchwork.freedesktop.org/patch/msgid/20220107083633.20843-1-linmq006@xxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
index b64d93da651d2..5e2b0175df36f 100644
--- a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c
+++ b/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;