diff options
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index bd124815c06a..42f6971c8061 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2287,10 +2287,9 @@ static unsigned int comedi_poll(struct file *file, poll_table *wait) if (s != s_read) poll_wait(file, &s->async->wait_head, wait); - comedi_buf_write_alloc(s, s->async->prealloc_bufsz); if (!s->busy || !comedi_is_subdevice_running(s) || !(s->async->cmd.flags & CMDF_WRITE) || - comedi_buf_write_n_allocated(s) >= bps) + comedi_buf_write_n_available(s) >= bps) mask |= POLLOUT | POLLWRNORM; } |