Commit ac61145a authored by Linus Torvalds's avatar Linus Torvalds
Browse files
Pull HID fix from Jiri Kosina:
 "A regression fix for EPOLLOUT handling in hidraw and uhid"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: hidraw, uhid: Always report EPOLLOUT
parents 213356fe 9e635c28
Loading
Loading
Loading
Loading
+4 −3
Original line number Diff line number Diff line
@@ -249,13 +249,14 @@ out:
static __poll_t hidraw_poll(struct file *file, poll_table *wait)
{
	struct hidraw_list *list = file->private_data;
	__poll_t mask = EPOLLOUT | EPOLLWRNORM; /* hidraw is always writable */

	poll_wait(file, &list->hidraw->wait, wait);
	if (list->head != list->tail)
		return EPOLLIN | EPOLLRDNORM;
		mask |= EPOLLIN | EPOLLRDNORM;
	if (!list->hidraw->exist)
		return EPOLLERR | EPOLLHUP;
	return EPOLLOUT | EPOLLWRNORM;
		mask |= EPOLLERR | EPOLLHUP;
	return mask;
}

static int hidraw_open(struct inode *inode, struct file *file)
+3 −2
Original line number Diff line number Diff line
@@ -766,13 +766,14 @@ unlock:
static __poll_t uhid_char_poll(struct file *file, poll_table *wait)
{
	struct uhid_device *uhid = file->private_data;
	__poll_t mask = EPOLLOUT | EPOLLWRNORM; /* uhid is always writable */

	poll_wait(file, &uhid->waitq, wait);

	if (uhid->head != uhid->tail)
		return EPOLLIN | EPOLLRDNORM;
		mask |= EPOLLIN | EPOLLRDNORM;

	return EPOLLOUT | EPOLLWRNORM;
	return mask;
}

static const struct file_operations uhid_fops = {