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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-10-21 01:11:45 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-11-08 03:24:30 +0300 |
| commit | 0860913b02c28f0a1d8b515b99ae6419ef10569f (patch) | |
| tree | 826c999a5cc5771dd6872e3d7cfa32e28053e50a /drivers/input/keyboard/gpio_keys.c | |
| parent | f9645f22584250336a99a23bc9e444396b5bc323 (diff) | |
| download | linux-0860913b02c28f0a1d8b515b99ae6419ef10569f.tar.xz | |
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 <mika.westerberg@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/keyboard/gpio_keys.c')
| -rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 8f7c20b9cc5c..d75a25c187ae 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); } |