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Commit 19b26d92 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Linus Walleij
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pinctrl: intel: merrifield: Add missed check in mrfld_config_set() 



Not every pin can be configured. Add missed check to prevent access
violation.

Fixes: 4e80c8f5 ("pinctrl: intel: Add Intel Merrifield pin controller support")
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 2154d94b

drivers/pinctrl/intel/pinctrl-merrifield.c

+3 −0
Original line number Diff line number Diff line
@@ -794,6 +794,9 @@ static int mrfld_config_set(struct pinctrl_dev *pctldev, unsigned int pin, 
	unsigned int i;

	int ret;



	if (!mrfld_buf_available(mp, pin))

		return -ENOTSUPP;



	for (i = 0; i < nconfigs; i++) {

		switch (pinconf_to_config_param(configs[i])) {

		case PIN_CONFIG_BIAS_DISABLE: