diff options
| -rw-r--r-- | drivers/input/mousedev.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index d7a7a2fce745..d8f68f77007b 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -765,10 +765,15 @@ static unsigned int mousedev_poll(struct file *file, poll_table *wait) { struct mousedev_client *client = file->private_data; struct mousedev *mousedev = client->mousedev; + unsigned int mask; poll_wait(file, &mousedev->wait, wait); - return ((client->ready || client->buffer) ? (POLLIN | POLLRDNORM) : 0) | - (mousedev->exist ? 0 : (POLLHUP | POLLERR)); + + mask = mousedev->exist ? POLLOUT | POLLWRNORM : POLLHUP | POLLERR; + if (client->ready || client->buffer) + mask |= POLLIN | POLLRDNORM; + + return mask; } static const struct file_operations mousedev_fops = { |