const struct gpio_keys_button *button = bdata->button;
struct input_dev *input = bdata->input;
unsigned int type = button->type ?: EV_KEY;
- int state = (gpio_get_value_cansleep(button->gpio) ? 1 : 0) ^ button->active_low;
+ int state = gpio_get_value_cansleep(button->gpio);
+ if (state < 0) {
+ dev_err(input->dev.parent, "failed to get gpio state\n");
+ return;
+ }
+
+ state = (state ? 1 : 0) ^ button->active_low;
if (type == EV_ABS) {
if (state)
input_event(input, type, button->code, button->value);