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Diffstat (limited to 'drivers/input/evdev.c')
-rw-r--r--drivers/input/evdev.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 5f561fce32d..a29d5ceb00c 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -78,14 +78,19 @@ static int evdev_fasync(int fd, struct file *file, int on)
{
int retval;
struct evdev_list *list = file->private_data;
+
retval = fasync_helper(fd, file, on, &list->fasync);
+
return retval < 0 ? retval : 0;
}
-static int evdev_flush(struct file * file, fl_owner_t id)
+static int evdev_flush(struct file *file, fl_owner_t id)
{
struct evdev_list *list = file->private_data;
- if (!list->evdev->exist) return -ENODEV;
+
+ if (!list->evdev->exist)
+ return -ENODEV;
+
return input_flush_device(&list->evdev->handle, file);
}
@@ -300,6 +305,7 @@ static ssize_t evdev_read(struct file * file, char __user * buffer, size_t count
static unsigned int evdev_poll(struct file *file, poll_table *wait)
{
struct evdev_list *list = file->private_data;
+
poll_wait(file, &list->evdev->wait, wait);
return ((list->head == list->tail) ? 0 : (POLLIN | POLLRDNORM)) |
(list->evdev->exist ? 0 : (POLLHUP | POLLERR));