diff options
Diffstat (limited to 'drivers/hid/uhid.c')
| -rw-r--r-- | drivers/hid/uhid.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 6f67d73b184e..c749f449c7cb 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -25,6 +25,7 @@ #include <linux/spinlock.h> #include <linux/uhid.h> #include <linux/wait.h> +#include <linux/eventpoll.h> #define UHID_NAME "uhid" #define UHID_BUFSIZE 32 @@ -768,13 +769,14 @@ unlock: static unsigned int uhid_char_poll(struct file *file, poll_table *wait) { struct uhid_device *uhid = file->private_data; + unsigned int mask = POLLOUT | POLLWRNORM; /* uhid is always writable */ poll_wait(file, &uhid->waitq, wait); if (uhid->head != uhid->tail) - return POLLIN | POLLRDNORM; + mask |= POLLIN | POLLRDNORM; - return 0; + return mask; } static const struct file_operations uhid_fops = { |