From 0860913b02c28f0a1d8b515b99ae6419ef10569f Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 20 Oct 2016 15:11:45 -0700 Subject: [PATCH] Input: gpio_keys - fix leaking DT node references for_each_available_child_of_node(node, pp) takes reference to 'pp' and drops it when attempting next iteration. However if we exit the loop early we need to drop the reference ourselves. Tested-by: Mika Westerberg Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/gpio_keys.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 8f7c20b..d75a25c 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -659,6 +659,7 @@ gpio_keys_get_devtree_pdata(struct device *dev) dev_err(dev, "Failed to get gpio flags, error: %d\n", error); + of_node_put(pp); return ERR_PTR(error); } } else { @@ -669,12 +670,14 @@ gpio_keys_get_devtree_pdata(struct device *dev) if (!gpio_is_valid(button->gpio) && !button->irq) { dev_err(dev, "Found button without gpios or irqs\n"); + of_node_put(pp); return ERR_PTR(-EINVAL); } if (of_property_read_u32(pp, "linux,code", &button->code)) { dev_err(dev, "Button without keycode: 0x%x\n", button->gpio); + of_node_put(pp); return ERR_PTR(-EINVAL); } -- 2.7.4