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amba: bus: fix refcount leak 

[ Upstream commit e312cbdc11 ]

commit 5de1540b7b ("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: 5de1540b7b ("drivers/amba: create devices from device tree")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230821023928.3324283-1-peng.fan@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peng Fan 2023-08-21 10:39:27 +08:00 committed by Greg Kroah-Hartman
parent 7a9af64f7b
commit 206fadb727
1 changed files with 1 additions and 0 deletions
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drivers/amba/bus.c
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@ -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);