5.4-stable review patch. If anyone has any objections, please let me know.
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From: Peng Fan peng.fan@nxp.com
[ 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@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 --- drivers/amba/bus.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 702284bcd467c..252b0b43d50ee 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -364,6 +364,7 @@ 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);