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path: root/drivers/input/mousedev.c
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Diffstat (limited to 'drivers/input/mousedev.c')
-rw-r--r--drivers/input/mousedev.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index f34b22bce4ff..d8f68f77007b 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -57,7 +57,6 @@ struct mousedev_hw_data {
};
struct mousedev {
- int exist;
int open;
int minor;
struct input_handle handle;
@@ -66,6 +65,7 @@ struct mousedev {
spinlock_t client_lock; /* protects client_list */
struct mutex mutex;
struct device dev;
+ bool exist;
struct list_head mixdev_node;
int mixdev_open;
@@ -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 = {
@@ -802,7 +807,7 @@ static void mousedev_remove_chrdev(struct mousedev *mousedev)
static void mousedev_mark_dead(struct mousedev *mousedev)
{
mutex_lock(&mousedev->mutex);
- mousedev->exist = 0;
+ mousedev->exist = false;
mutex_unlock(&mousedev->mutex);
}
@@ -862,7 +867,7 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
dev_set_name(&mousedev->dev, "mouse%d", minor);
mousedev->minor = minor;
- mousedev->exist = 1;
+ mousedev->exist = true;
mousedev->handle.dev = input_get_device(dev);
mousedev->handle.name = dev_name(&mousedev->dev);
mousedev->handle.handler = handler;