6.5-stable review patch. If anyone has any objections, please let me know.
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From: Andy Shevchenko andriy.shevchenko@linux.intel.com
commit 479ac419206b5fe4ce4e40de61ac3210a36711aa upstream.
When refactoring the acpi_get_gpiod_from_data() the change missed cleaning up the variable on stack. Add missing memset().
Reported-by: Ferry Toth ftoth@exalondelft.nl Fixes: 16ba046e86e9 ("gpiolib: acpi: teach acpi_find_gpio() to handle data-only nodes") Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Reviewed-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Bartosz Golaszewski bartosz.golaszewski@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpio/gpiolib-acpi.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index fbda452fb4d6..51e41676de0b 100644 --- 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);