diff options
| -rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 1df4507c4c0b..9d517ca7eb5a 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -239,6 +239,11 @@ static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata, } } + if (i == ddata->pdata->nbuttons) { + error = -EINVAL; + goto out; + } + mutex_lock(&ddata->disable_lock); for (i = 0; i < ddata->pdata->nbuttons; i++) { |