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| author | Christoph Hellwig <hch@lst.de> | 2018-03-05 18:26:05 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-26 10:16:44 +0300 |
| commit | 9965ed174e7d38896e5d2582159d8ef31ecd4cb5 (patch) | |
| tree | 955bfa805fff87c169a4814deaf311b90cca84b2 /drivers/staging | |
| parent | 6e8b704df58407aad7607053cb1b5ead4ac4a0bc (diff) | |
| download | linux-9965ed174e7d38896e5d2582159d8ef31ecd4cb5.tar.xz | |
fs: add new vfs_poll and file_can_poll helpers
These abstract out calls to the poll method in preparation for changes
in how we poll.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/drivers/serial2002.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index b3f3b4a201af..5471b2212a62 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -113,7 +113,7 @@ static void serial2002_tty_read_poll_wait(struct file *f, int timeout) long elapsed; __poll_t mask; - mask = f->f_op->poll(f, &table.pt); + mask = vfs_poll(f, &table.pt); if (mask & (EPOLLRDNORM | EPOLLRDBAND | EPOLLIN | EPOLLHUP | EPOLLERR)) { break; @@ -136,7 +136,7 @@ static int serial2002_tty_read(struct file *f, int timeout) result = -1; if (!IS_ERR(f)) { - if (f->f_op->poll) { + if (file_can_poll(f)) { serial2002_tty_read_poll_wait(f, timeout); if (kernel_read(f, &ch, 1, &pos) == 1) |