staging: comedi: remove async parameter from resize_async_buffer()
The `struct comedi_async *async` parameter of `resize_async_buffer()` is
redundant as its value can be easily derived from the `struct
comedi_subdevice *s` parameter as `s->async`. Remove the parameter.
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>
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index ecd27a6..0affd1f 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -238,9 +238,9 @@
}
static int resize_async_buffer(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_async *async, unsigned new_size)
+ struct comedi_subdevice *s, unsigned new_size)
{
+ struct comedi_async *async = s->async;
int retval;
if (new_size > async->max_bufsize)
@@ -380,7 +380,7 @@
mutex_lock(&dev->mutex);
s = comedi_read_subdevice(dev, minor);
if (s && (s->subdev_flags & SDF_CMD_READ) && s->async)
- err = resize_async_buffer(dev, s, s->async, size);
+ err = resize_async_buffer(dev, s, size);
else
err = -EINVAL;
mutex_unlock(&dev->mutex);
@@ -493,7 +493,7 @@
mutex_lock(&dev->mutex);
s = comedi_write_subdevice(dev, minor);
if (s && (s->subdev_flags & SDF_CMD_WRITE) && s->async)
- err = resize_async_buffer(dev, s, s->async, size);
+ err = resize_async_buffer(dev, s, size);
else
err = -EINVAL;
mutex_unlock(&dev->mutex);
@@ -741,7 +741,7 @@
}
if (bc.size) {
- retval = resize_async_buffer(dev, s, async, bc.size);
+ retval = resize_async_buffer(dev, s, bc.size);
if (retval < 0)
return retval;
}