Commit a7250707 authored Jan 10, 2022 by Miaoqian Lin Committed by Greg Kroah-Hartman Apr 15, 2022

drm/tegra: Fix reference leak in tegra_dsi_ganged_probe



[ Upstream commit 221e3638feb8bc42143833c9a704fa89b6c366bb ]

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

Fixes: e94236cd ("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>

parent cc16d0bc

drivers/gpu/drm/tegra/dsi.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1455,8 +1455,10 @@ 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;
		}