Fixed sign error that prevented commands from aborting properly on

errors.

diff --git a/comedi/drivers/ni_mio_common.c b/comedi/drivers/ni_mio_common.c
index e44488df34f7de1e8b81c94ab919e0a74f5ecbdc..f667bed1e93ee06372f77f7148f1368bb87a3520 100644 (file)
--- a/comedi/drivers/ni_mio_common.c
+++ b/comedi/drivers/ni_mio_common.c
@@ -910,7 +910,7 @@ static void ni_event(comedi_device * dev, comedi_subdevice * s)
        if (s->async->
                events & (COMEDI_CB_ERROR | COMEDI_CB_OVERFLOW | COMEDI_CB_EOA))
        {
-               switch (dev->subdevices - s) {
+               switch (s - dev->subdevices) {
                case NI_AI_SUBDEV:
                        ni_ai_reset(dev, s);
                        break;