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drm/tegra: Fix reference leak in tegra_dsi_ganged_probe

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[ Upstream commit 221e3638fe ]

The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore. Add put_device() call to fix this.

Fixes: e94236cde4 ("drm/tegra: dsi: Add ganged mode support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-01-10 06:53:16 +00:00 • committed by Greg Kroah-Hartman
commit 1e06710c43
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/tegra/dsi.c
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@ -1538,8 +1538,10 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi)
dsi->slave = platform_get_drvdata(gangster);
of_node_put(np);
if (!dsi->slave)
if (!dsi->slave) {
put_device(&gangster->dev);
return -EPROBE_DEFER;
}
dsi->slave->master = dsi;
}