Staging: comedi: serial2002: Fix memory leak on detach

The comedi device 'detach' method for the serial2002 driver has an
off-by-one error in its loop for freeing data belonging to its
subdevices.  Fix it.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c
index 880fe89..6813e34 100644 (file)
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -903,7 +903,7 @@ static int serial2002_detach(struct comedi_device *dev)
        int i;
 
        printk("comedi%d: serial2002: remove\n", dev->minor);
-       for (i = 0; i < 4; i++) {
+       for (i = 0; i < 5; i++) {
                s = &dev->subdevices[i];
                if (s->maxdata_list) {
                        kfree(s->maxdata_list);