4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Peng Fan <peng.fan@xxxxxxx>
[ Upstream commit e312cbdc11305568554a9e18a2ea5c2492c183f3 ]
commit 5de1540b7bc4 ("drivers/amba: create devices from device tree")
increases the refcount of of_node, but not releases it in
amba_device_release, so there is refcount leak. By using of_node_put
to avoid refcount leak.
Fixes: 5de1540b7bc4 ("drivers/amba: create devices from device tree")
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230821023928.3324283-1-peng.fan@xxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/amba/bus.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index e1992f361c9a6..2aaec96f83849 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -349,6 +349,7 @@ static void amba_device_release(struct device *dev)
{
struct amba_device *d = to_amba_device(dev);
+ of_node_put(d->dev.of_node);
if (d->res.parent)
release_resource(&d->res);
kfree(d);
--
2.40.1
