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Commit f0059021 authored by Axel Lin's avatar Axel Lin Committed by Linus Walleij
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pinctrl: core: Hold pinctrldev_list_mutex mutex while traversing pinctrldev_list 



This one is missed in commit 44d5f7bb "pinctrl: sink pinctrldev_list_mutex".

Signed-off-by: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 031b8ce0

drivers/pinctrl/core.c

+5 −0
Original line number Diff line number Diff line
@@ -392,6 +392,8 @@ static int pinctrl_get_device_gpio_range(unsigned gpio, 
{

	struct pinctrl_dev *pctldev = NULL;



	mutex_lock(&pinctrldev_list_mutex);



	/* Loop over the pin controllers */

	list_for_each_entry(pctldev, &pinctrldev_list, node) {

		struct pinctrl_gpio_range *range;
@@ -400,10 +402,13 @@ static int pinctrl_get_device_gpio_range(unsigned gpio, 
		if (range != NULL) {

			*outdev = pctldev;

			*outrange = range;

			mutex_unlock(&pinctrldev_list_mutex);

			return 0;

		}

	}



	mutex_unlock(&pinctrldev_list_mutex);



	return -EPROBE_DEFER;

}