diff options
| -rw-r--r-- | drivers/input/misc/uinput.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 1b4ee4a5c49c..e74ed9cc6371 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -476,6 +476,9 @@ static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count, struct input_event event; int retval = 0; + if (count != 0 && count < input_event_size()) + return -EINVAL; + if (udev->state != UIST_CREATED) return -ENODEV; |