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| author | Ian Abbott | 2014-05-02 14:50:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2014-05-04 02:12:17 +0200 |
| commit | 482f0a21904583923d5c37f84586839c026a734b (patch) | |
| tree | 4cb63380b25cdc14bc395b01d1c18ce8bb608c78 /drivers/staging/comedi/comedi_fops.c | |
| parent | staging: comedi: remove redundant pointer dereference in comedi_poll() (diff) | |
| download | kernel-qcow2-linux-482f0a21904583923d5c37f84586839c026a734b.tar.gz kernel-qcow2-linux-482f0a21904583923d5c37f84586839c026a734b.tar.xz kernel-qcow2-linux-482f0a21904583923d5c37f84586839c026a734b.zip | |
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>
Diffstat (limited to 'drivers/staging/comedi/comedi_fops.c')
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index ecd27a6fc7f9..0affd1f96660 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -238,9 +238,9 @@ comedi_write_subdevice(const struct comedi_device *dev, unsigned int minor) } 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 @@ static ssize_t read_buffer_kb_store(struct device *csdev, 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 @@ static ssize_t write_buffer_kb_store(struct device *csdev, 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 @@ static int do_bufconfig_ioctl(struct comedi_device *dev, } 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; } |