If "(count == NAME_MAX)" then we could end up putting the NUL terminator one space beyond the end of the fw_name[] array. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c index 64c6128..58f4f6f 100644 --- a/drivers/input/mouse/cyapa.c +++ b/drivers/input/mouse/cyapa.c @@ -1013,7 +1013,7 @@ static ssize_t cyapa_update_fw_store(struct device *dev, char fw_name[NAME_MAX]; int ret, error; - if (count > NAME_MAX) { + if (count >= NAME_MAX) { dev_err(dev, "File name too long\n"); return -EINVAL; } -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html