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staging: comedi: comedi_fops: remove unnecessary s->async use

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In places where the `s->async` value has been stored in a local
variable, use the variable instead of repeating `s->async`.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ian Abbott 2015-03-27 15:13:03 +00:00 committed by Greg Kroah-Hartman
parent 38ee1fd309
commit 258c1dd76b
1 changed files with 5 additions and 5 deletions
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10
drivers/staging/comedi/comedi_fops.c
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@ -687,7 +687,7 @@ static void do_become_nonbusy(struct comedi_device *dev,
kfree(async->cmd.chanlist);
async->cmd.chanlist = NULL;
s->busy = NULL;
wake_up_interruptible_all(&s->async->wait_head);
wake_up_interruptible_all(&async->wait_head);
} else {
dev_err(dev->class_dev,
"BUG: (?) do_become_nonbusy called with async=NULL\n");
@ -2652,14 +2652,14 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
if (!comedi_is_subdevice_running(s))
return;
if (s->async->events & COMEDI_CB_CANCEL_MASK)
if (async->events & COMEDI_CB_CANCEL_MASK)
runflags_mask |= COMEDI_SRF_RUNNING;
/*
* Remember if an error event has occurred, so an error
* can be returned the next time the user does a read().
*/
if (s->async->events & COMEDI_CB_ERROR_MASK) {
if (async->events & COMEDI_CB_ERROR_MASK) {
runflags_mask |= COMEDI_SRF_ERROR;
runflags |= COMEDI_SRF_ERROR;
}
@ -2671,14 +2671,14 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
comedi_update_subdevice_runflags(s, runflags_mask, runflags);
}
if (async->cb_mask & s->async->events) {
if (async->cb_mask & async->events) {
wake_up_interruptible(&async->wait_head);
if (s->subdev_flags & SDF_CMD_READ)
kill_fasync(&dev->async_queue, SIGIO, POLL_IN);
if (s->subdev_flags & SDF_CMD_WRITE)
kill_fasync(&dev->async_queue, SIGIO, POLL_OUT);
}
s->async->events = 0;
async->events = 0;
}
EXPORT_SYMBOL_GPL(comedi_event);