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Merge tag 'hwmon-for-linus-v4.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel...
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
pinctrl
/
core.c
diff --git
a/drivers/pinctrl/core.c
b/drivers/pinctrl/core.c
index 69723e07036bafbd29c6d6deb66e2f7bd7f0133e..9638a00c67c2bd9a3735a632c99d01e9c2625e5d 100644
(file)
--- a/
drivers/pinctrl/core.c
+++ b/
drivers/pinctrl/core.c
@@
-349,6
+349,9
@@
static bool pinctrl_ready_for_gpio_range(unsigned gpio)
struct pinctrl_gpio_range *range = NULL;
struct gpio_chip *chip = gpio_to_chip(gpio);
+ if (WARN(!chip, "no gpio_chip for gpio%i?", gpio))
+ return false;
+
mutex_lock(&pinctrldev_list_mutex);
/* Loop over the pin controllers */