staging: comedi: remove comedi_clear_minor()
authorIan Abbott <abbotti@mev.co.uk>
Thu, 4 Apr 2013 13:59:05 +0000 (14:59 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 5 Apr 2013 21:33:19 +0000 (14:33 -0700)
`comedi_clear_minor()` calls either `comedi_clear_board_minor()` or
`comedi_clear_subdevice_minor()` depending on its minor device number
parameter.  The one it calls only depends on where it is called from, so
bypass the calls to `comedi_clear_minor()` and remove it.

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>
drivers/staging/comedi/comedi_fops.c

index c57f853..0048135 100644 (file)
@@ -150,14 +150,6 @@ static struct comedi_file_info *comedi_clear_subdevice_minor(unsigned minor)
        return info;
 }
 
-static struct comedi_file_info *comedi_clear_minor(unsigned minor)
-{
-       if (minor < COMEDI_NUM_BOARD_MINORS)
-               return comedi_clear_board_minor(minor);
-       else
-               return comedi_clear_subdevice_minor(minor);
-}
-
 static void comedi_free_board_file_info(struct comedi_file_info *info)
 {
        if (info) {
@@ -1745,7 +1737,7 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
                            dev->minor >= comedi_num_legacy_minors) {
                                /* Successfully unconfigured a dynamically
                                 * allocated device.  Try and remove it. */
-                               info = comedi_clear_minor(dev->minor);
+                               info = comedi_clear_board_minor(dev->minor);
                                if (info) {
                                        mutex_unlock(&dev->mutex);
                                        comedi_free_board_file_info(info);
@@ -2411,7 +2403,7 @@ struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device)
 static void comedi_free_board_minor(unsigned minor)
 {
        BUG_ON(minor >= COMEDI_NUM_BOARD_MINORS);
-       comedi_free_board_file_info(comedi_clear_minor(minor));
+       comedi_free_board_file_info(comedi_clear_board_minor(minor));
 }
 
 void comedi_release_hardware_device(struct device *hardware_device)
@@ -2485,7 +2477,7 @@ void comedi_free_subdevice_minor(struct comedi_subdevice *s)
        BUG_ON(s->minor >= COMEDI_NUM_MINORS);
        BUG_ON(s->minor < COMEDI_NUM_BOARD_MINORS);
 
-       info = comedi_clear_minor(s->minor);
+       info = comedi_clear_subdevice_minor(s->minor);
        if (s->class_dev) {
                device_destroy(comedi_class, MKDEV(COMEDI_MAJOR, s->minor));
                s->class_dev = NULL;