bus: vexpress-config: fix device reference leak
commitc090959b9d
upstream. Make sure to drop the reference to the parent device taken by class_find_device() after populating the bus. Fixes:3b9334ac83
("mfd: vexpress: Convert custom func API to regmap") Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -171,6 +171,7 @@ static int vexpress_config_populate(struct device_node *node)
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{
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{
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struct device_node *bridge;
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struct device_node *bridge;
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struct device *parent;
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struct device *parent;
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int ret;
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bridge = of_parse_phandle(node, "arm,vexpress,config-bridge", 0);
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bridge = of_parse_phandle(node, "arm,vexpress,config-bridge", 0);
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if (!bridge)
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if (!bridge)
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@ -182,7 +183,11 @@ static int vexpress_config_populate(struct device_node *node)
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if (WARN_ON(!parent))
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if (WARN_ON(!parent))
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return -ENODEV;
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return -ENODEV;
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return of_platform_populate(node, NULL, NULL, parent);
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ret = of_platform_populate(node, NULL, NULL, parent);
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put_device(parent);
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return ret;
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}
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}
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static int __init vexpress_config_init(void)
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static int __init vexpress_config_init(void)
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