Don't export the 'dt' field as that would break the exisiting ABI.

keep the code but comment it out so that if the ABI changes we
can see easily what should be done.

Submitted by:	iedowse

1 files changed, 5 insertions, 4 deletions

diff --git a/sys/dev/usb/ums.c b/sys/dev/usb/ums.c
index 75b8c7c..458aa95 100644
--- a/sys/dev/usb/ums.c
+++ b/sys/dev/usb/ums.c
@@ -476,7 +476,7 @@ ums_intr(xfer, addr, status)
 		sc->status.dx += dx;
 		sc->status.dy += dy;
 		sc->status.dz += dz;
-		sc->status.dt += dt;
+		/* sc->status.dt += dt;*/ /* no way to export this yet */
 		
 		/* Discard data in case of full buffer */
 		if (sc->qcount == sizeof(sc->qbuf)) {
@@ -579,7 +579,7 @@ ums_enable(v)
 	sc->qhead = sc->qtail = 0;
 	sc->status.flags = 0;
 	sc->status.button = sc->status.obutton = 0;
-	sc->status.dx = sc->status.dy = sc->status.dz = sc->status.dt = 0;
+	sc->status.dx = sc->status.dy = sc->status.dz = /* sc->status.dt */ = 0;
 
 	callout_handle_init((struct callout_handle *)&sc->callout_handle);
 
@@ -836,10 +836,11 @@ ums_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, usb_proc_ptr p)
 		*status = sc->status;
 		sc->status.obutton = sc->status.button;
 		sc->status.button = 0;
-		sc->status.dx = sc->status.dy = sc->status.dz = sc->status.dt = 0;
+		sc->status.dx = sc->status.dy
+		    = sc->status.dz = /* sc->status.dt = */ 0;
 		splx(s);
 
-		if (status->dx || status->dy || status->dz || status->dt)
+		if (status->dx || status->dy || status->dz /* || status->dt */)
 			status->flags |= MOUSE_POSCHANGED;
 		if (status->button != status->obutton)
 			status->flags |= MOUSE_BUTTONSCHANGED;