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bus: vexpress-config: fix device reference leak

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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 <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
This commit is contained in:
Johan Hovold 2016-11-16 17:31:30 +00:00 • committed by Arnd Bergmann
commit c090959b9d
1 changed files with 6 additions and 1 deletions
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7
drivers/bus/vexpress-config.c
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@ -171,6 +171,7 @@ static int vexpress_config_populate(struct device_node *node)
{
struct device_node *bridge;
struct device *parent;
int ret;
bridge = of_parse_phandle(node, "arm,vexpress,config-bridge", 0);
if (!bridge)
@ -182,7 +183,11 @@ static int vexpress_config_populate(struct device_node *node)
if (WARN_ON(!parent))
return -ENODEV;
return of_platform_populate(node, NULL, NULL, parent);
ret = of_platform_populate(node, NULL, NULL, parent);
put_device(parent);
return ret;
}
static int __init vexpress_config_init(void)