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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: 7e5ea974e6 ("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>
This commit is contained in:
Andy Shevchenko 2021-06-06 22:19:40 +03:00 committed by Linus Walleij
parent 009c9aa5be
commit 76b7f8fae3
1 changed files with 3 additions and 1 deletions
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4
drivers/pinctrl/pinctrl-microchip-sgpio.c
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@ -845,8 +845,10 @@ static int microchip_sgpio_probe(struct platform_device *pdev)
i = 0; i = 0;
device_for_each_child_node(dev, fwnode) { device_for_each_child_node(dev, fwnode) {
ret = microchip_sgpio_register_bank(dev, priv, fwnode, i++); ret = microchip_sgpio_register_bank(dev, priv, fwnode, i++);
if (ret) if (ret) {
fwnode_handle_put(fwnode);
return ret; return ret;
}
} }
if (priv->in.gpio.ngpio != priv->out.gpio.ngpio) { if (priv->in.gpio.ngpio != priv->out.gpio.ngpio) {