From 5e8fdb6392d945d33fef959eab73f8c34bc0a63b Mon Sep 17 00:00:00 2001 From: Miaoqian Lin Date: Mon, 10 Jan 2022 06:53:16 +0000 Subject: [PATCH] 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: e94236cde4d5 ("drm/tegra: dsi: Add ganged mode support") Signed-off-by: Miaoqian Lin Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/gpu/drm/tegra/dsi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 046649ec9441..4e06af34c048 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1480,8 +1480,10 @@ 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; } -- 2.20.1