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| author | Fabian Henneke <fabian.henneke@gmail.com> | 2019-07-18 22:50:58 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2019-08-05 14:08:07 +0200 |
| commit | c801aff1a57697d79618ea3e84dc8ff79617669d (patch) | |
| tree | f8c7e6580e49c69f6b348a4fbaff4a6120138c4a /drivers/hid/usbhid/hiddev.c | |
| parent | 378b80370aa1fe50f9c48a3ac8af3e416e73b89f (diff) | |
| download | linux-stable-c801aff1a57697d79618ea3e84dc8ff79617669d.tar.gz linux-stable-c801aff1a57697d79618ea3e84dc8ff79617669d.tar.bz2 linux-stable-c801aff1a57697d79618ea3e84dc8ff79617669d.zip | |
hiddev: Return EPOLLOUT from hiddev_poll
Always return EPOLLOUT from hiddev_poll when a device is connected.
This is safe since hiddev_write always fails and improves compatibility
with tools like socat.
Signed-off-by: Fabian Henneke <fabian@henneke.me>
In-reply-to: <nycvar.YFH.7.76.1907171333160.5899@cbobk.fhfr.pm>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/usbhid/hiddev.c')
| -rw-r--r-- | drivers/hid/usbhid/hiddev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 55b72573066b..73a76d9af974 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -416,7 +416,7 @@ static __poll_t hiddev_poll(struct file *file, poll_table *wait) poll_wait(file, &list->hiddev->wait, wait); if (list->head != list->tail) - return EPOLLIN | EPOLLRDNORM; + return EPOLLIN | EPOLLRDNORM | EPOLLOUT; if (!list->hiddev->exist) return EPOLLERR | EPOLLHUP; return 0; |