1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 7e0fdcf905d2..fdf86b4cbc71 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_can_poll(struct file *file)
+static inline bool file_has_poll_mask(struct file *file)
 {
-	return file->f_op->poll;
+	return file->f_op->get_poll_head && file->f_op->poll_mask;
 }
 
-static inline __poll_t vfs_poll(struct file *file, struct poll_table_struct *pt)
+static inline bool file_can_poll(struct file *file)
 {
-	if (unlikely(!file->f_op->poll))
-		return DEFAULT_POLLMASK;
-	return file->f_op->poll(file, pt);
+	return file->f_op->poll || file_has_poll_mask(file);
 }
 
+__poll_t vfs_poll(struct file *file, struct poll_table_struct *pt);
+
 struct poll_table_entry {
 	struct file *filp;
 	__poll_t key;