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pinctrl: madera: Fix possible NULL pointer with pdata config 

If we are being configured via pdata we don't necessarily have
any gpio mappings being configured that way so pdata->gpio_config
could be NULL.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Richard Fitzgerald 2018-08-28 09:45:37 +01:00 committed by Linus Walleij
parent 823dd71f58
commit 5bc5a671b1
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/cirrus/pinctrl-madera-core.c
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@ -1040,7 +1040,7 @@ static int madera_pin_probe(struct platform_device *pdev)
}
/* if the configuration is provided through pdata, apply it */
if (pdata) {
if (pdata && pdata->gpio_configs) {
ret = pinctrl_register_mappings(pdata->gpio_configs,
pdata->n_gpio_configs);
if (ret) {