| Message ID | 20191204024355.4566-1-marcel@holtmann.org (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | be54e7461ffdc5809b67d2aeefc1ddc9a91470c7 |
| Delegated to: | Jiri Kosina |
| Headers | show |
| Series | HID: uhid: Fix returning EPOLLOUT from uhid_char_poll | expand |
On Wed, 4 Dec 2019, Marcel Holtmann wrote: > Always return EPOLLOUT from uhid_char_poll to allow polling /dev/uhid > for writable state. > > Fixes: 1f9dec1e0164 ("HID: uhid: allow poll()'ing on uhid devices") > Signed-off-by: Marcel Holtmann <marcel@holtmann.org> > Cc: stable@vger.kernel.org Applied, thanks.
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index fa0cc0899827..935c3d0a3b63 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -772,7 +772,7 @@ static __poll_t uhid_char_poll(struct file *file, poll_table *wait) if (uhid->head != uhid->tail) return EPOLLIN | EPOLLRDNORM; - return 0; + return EPOLLOUT | EPOLLWRNORM; } static const struct file_operations uhid_fops = {
Always return EPOLLOUT from uhid_char_poll to allow polling /dev/uhid for writable state. Fixes: 1f9dec1e0164 ("HID: uhid: allow poll()'ing on uhid devices") Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Cc: stable@vger.kernel.org --- drivers/hid/uhid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)