1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 05ef4b05a63..b1a477f8260 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -117,6 +117,13 @@ static ssize_t uhid_char_write(struct file *file, const char __user *buffer,
 
 static unsigned int uhid_char_poll(struct file *file, poll_table *wait)
 {
+        struct uhid_device *uhid = file->private_data;
+
+        poll_wait(file, &uhid->waitq, wait);
+
+        if (uhid->head != uhid->tail)
+                return POLLIN | POLLRDNORM;
+
         return 0;
 }