[PATCH V3 1/2] amba: bus: fix refcount leak

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From: Peng Fan <peng.fan@xxxxxxx>

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>
---

Note: Code inspection, not tested.

V3:
 Move this out from patch V2 1/1

 drivers/amba/bus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index ce88af9eb562..09e72967b8ab 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -528,6 +528,7 @@ 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);
 	mutex_destroy(&d->periphid_lock);
-- 
2.37.1




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