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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2017-07-03 20:14:56 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-11-27 16:19:54 -0500 |
| commit | 3ad6f93e98d6df25d0667d847d3ab9cbdccb3eae (patch) | |
| tree | 8b52d66806f02c815198e962758ac4199d9ee6e0 /drivers/vhost | |
| parent | anntotate the places where ->poll() return values go (diff) | |
| download | linux-dev-3ad6f93e98d6df25d0667d847d3ab9cbdccb3eae.tar.xz linux-dev-3ad6f93e98d6df25d0667d847d3ab9cbdccb3eae.zip | |
annotate poll-related wait keys
__poll_t is also used as wait key in some waitqueues.
Verify that wait_..._poll() gets __poll_t as key and
provide a helper for wakeup functions to get back to
that __poll_t value.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vhost.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index c18e70bd0466..7aad77be0b46 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -170,7 +170,7 @@ static int vhost_poll_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync, { struct vhost_poll *poll = container_of(wait, struct vhost_poll, wait); - if (!((unsigned long)key & poll->mask)) + if (!(key_to_poll(key) & poll->mask)) return 0; vhost_poll_queue(poll); @@ -211,7 +211,7 @@ int vhost_poll_start(struct vhost_poll *poll, struct file *file) mask = file->f_op->poll(file, &poll->table); if (mask) - vhost_poll_wakeup(&poll->wait, 0, 0, (void *)(uintptr_t)mask); + vhost_poll_wakeup(&poll->wait, 0, 0, poll_to_key(mask)); if (mask & POLLERR) { if (poll->wqh) remove_wait_queue(poll->wqh, &poll->wait); |