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-rw-r--r--include/linux/poll.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/poll.h b/include/linux/poll.h
index fdf86b4cbc71..7e0fdcf905d2 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -74,18 +74,18 @@ static inline void init_poll_funcptr(poll_table *pt, poll_queue_proc qproc)
pt->_key = ~(__poll_t)0; /* all events enabled */
}
-static inline bool file_has_poll_mask(struct file *file)
+static inline bool file_can_poll(struct file *file)
{
- return file->f_op->get_poll_head && file->f_op->poll_mask;
+ return file->f_op->poll;
}
-static inline bool file_can_poll(struct file *file)
+static inline __poll_t vfs_poll(struct file *file, struct poll_table_struct *pt)
{
- return file->f_op->poll || file_has_poll_mask(file);
+ if (unlikely(!file->f_op->poll))
+ return DEFAULT_POLLMASK;
+ return file->f_op->poll(file, pt);
}
-__poll_t vfs_poll(struct file *file, struct poll_table_struct *pt);
-
struct poll_table_entry {
struct file *filp;
__poll_t key;
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