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| author | Andy Shevchenko <andy.shevchenko@gmail.com> | 2021-06-06 22:19:40 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2021-06-18 11:17:47 +0200 |
| commit | 76b7f8fae30a9249f820e019f1e62eca992751a2 (patch) | |
| tree | a6d1b384bee3f258c63988adf39d6cc23c7b004c | |
| parent | 009c9aa5be652675a06d5211e1640e02bbb1c33d (diff) | |
| download | nvdimm-76b7f8fae30a9249f820e019f1e62eca992751a2.tar.gz | |
pinctrl: microchip-sgpio: Put fwnode in error case during ->probe()
device_for_each_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.
Fixes: 7e5ea974e61c ("pinctrl: pinctrl-microchip-sgpio: Add pinctrl driver for Microsemi Serial GPIO")
Cc: Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210606191940.29312-1-andy.shevchenko@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/pinctrl/pinctrl-microchip-sgpio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c index c12fa57ebd12c3..165cb7a597155f 100644 --- a/drivers/pinctrl/pinctrl-microchip-sgpio.c +++ b/drivers/pinctrl/pinctrl-microchip-sgpio.c @@ -845,8 +845,10 @@ static int microchip_sgpio_probe(struct platform_device *pdev) i = 0; device_for_each_child_node(dev, fwnode) { ret = microchip_sgpio_register_bank(dev, priv, fwnode, i++); - if (ret) + if (ret) { + fwnode_handle_put(fwnode); return ret; + } } if (priv->in.gpio.ngpio != priv->out.gpio.ngpio) { |