Commit be54e746 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Jiri Kosina

HID: uhid: Fix returning EPOLLOUT from uhid_char_poll

Always return EPOLLOUT from uhid_char_poll to allow polling /dev/uhid
for writable state.

Fixes: 1f9dec1e ("HID: uhid: allow poll()'ing on uhid devices")
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 9f3b61dc
...@@ -772,7 +772,7 @@ static __poll_t uhid_char_poll(struct file *file, poll_table *wait) ...@@ -772,7 +772,7 @@ static __poll_t uhid_char_poll(struct file *file, poll_table *wait)
if (uhid->head != uhid->tail) if (uhid->head != uhid->tail)
return EPOLLIN | EPOLLRDNORM; return EPOLLIN | EPOLLRDNORM;
return 0; return EPOLLOUT | EPOLLWRNORM;
} }
static const struct file_operations uhid_fops = { static const struct file_operations uhid_fops = {
......
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