gpiolib: acpi: Add missing memset(0) to acpi_get_gpiod_from_data()

When refactoring the acpi_get_gpiod_from_data() the change missed
cleaning up the variable on stack. Add missing memset().

Reported-by: Ferry Toth <[email protected]>
Fixes: 16ba046e86e9 ("gpiolib: acpi: teach acpi_find_gpio() to handle data-only nodes")
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Bartosz Golaszewski <[email protected]>

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index fbda452fb4d6afd4154d4f9e219b3b0cfb434e1a..51e41676de0b8df597a7d9afd493165863e5b053 100644 (file)
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -951,6 +951,7 @@ static struct gpio_desc *acpi_get_gpiod_from_data(struct fwnode_handle *fwnode,
        if (!propname)
                return ERR_PTR(-EINVAL);
 
+       memset(&lookup, 0, sizeof(lookup));
        lookup.index = index;
 
        ret = acpi_gpio_property_lookup(fwnode, propname, index, &lookup);