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| author |   Marcel Holtmann <marcel@holtmann.org> | 2019-12-04 03:43:55 +0100 |
|---|---|---|
| committer |   Jiri Kosina <jkosina@suse.cz> | 2019-12-09 13:53:37 +0100 |
| commit | be54e7461ffdc5809b67d2aeefc1ddc9a91470c7 (patch) | |
| tree | 33c228a70b8eb463166b266fcbee646ba7869869 /drivers/hid | |
| parent | HID: hidraw: Fix returning EPOLLOUT from hidraw_poll (diff) | |
| download | linux-dev-be54e7461ffdc5809b67d2aeefc1ddc9a91470c7.tar.xz linux-dev-be54e7461ffdc5809b67d2aeefc1ddc9a91470c7.zip | |
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: 1f9dec1e0164 ("HID: uhid: allow poll()'ing on uhid devices")
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/uhid.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 = { |