diff mbox series

[4.19,135/338] drm/tegra: Fix reference leak in tegra_dsi_ganged_probe

Message ID 20220414110842.741975873@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH April 14, 2022, 1:10 p.m. UTC 
From: Miaoqian Lin <linmq006@gmail.com>

[ 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 <linmq006@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/tegra/dsi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index ee6ca8fa1c65..e2903bf7821b 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -1456,8 +1456,10 @@  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;
 	}