diff options
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index a1705ed0b844..9c85f01e847b 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -563,12 +563,13 @@ static void do_become_nonbusy(struct comedi_device *dev, async->inttrig = NULL; kfree(async->cmd.chanlist); async->cmd.chanlist = NULL; + s->busy = NULL; + wake_up_interruptible_all(&s->async->wait_head); } else { dev_err(dev->class_dev, "BUG: (?) do_become_nonbusy called with async=NULL\n"); + s->busy = NULL; } - - s->busy = NULL; } static int do_cancel(struct comedi_device *dev, struct comedi_subdevice *s) @@ -1700,7 +1701,6 @@ static int do_cancel_ioctl(struct comedi_device *dev, unsigned int arg, return -EBUSY; ret = do_cancel(dev, s); - wake_up_interruptible(&s->async->wait_head); return ret; } |