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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 /net/core/datagram.c | |
| 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 'net/core/datagram.c')
| -rw-r--r-- | net/core/datagram.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index 522873ed120b..000da13c01f2 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -72,12 +72,10 @@ static inline int connection_based(struct sock *sk) static int receiver_wake_function(wait_queue_entry_t *wait, unsigned int mode, int sync, void *key) { - unsigned long bits = (unsigned long)key; - /* * Avoid a wakeup if event not interesting for us */ - if (bits && !(bits & (POLLIN | POLLERR))) + if (key && !(key_to_poll(key) & (POLLIN | POLLERR))) return 0; return autoremove_wake_function(wait, mode, sync, key); } |