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

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[ Upstream commit 774fe0cd838d1b1419d41ab4ea0613c80d4ecbd7 ]

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: e00012b256 ("drm/msm/hdmi: Make HDMI core get its PHY")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220107085026.23831-1-linmq006@gmail.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-01-07 08:50:22 +00:00 • committed by Greg Kroah-Hartman
commit 51edc483af
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/msm/hdmi/hdmi.c
View file

@ -97,10 +97,15 @@ 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);