s390/vfio_ccw: fix virtual vs physical address confusion

Fix virtual vs physical address confusion. This does not fix a bug
since virtual and physical address spaces are currently the same.

Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index 09877b46181d469a1fead1b7cbc0aff1b56e4fa9..4d7988ea47ef0f3e23304a5b1547c2bb29ce50ee 100644 (file)
--- a/drivers/s390/cio/vfio_ccw_fsm.c
+++ b/drivers/s390/cio/vfio_ccw_fsm.c
@@ -378,7 +378,7 @@ static void fsm_open(struct vfio_ccw_private *private,
 
        spin_lock_irq(&sch->lock);
        sch->isc = VFIO_CCW_ISC;
-       ret = cio_enable_subchannel(sch, (u32)(unsigned long)sch);
+       ret = cio_enable_subchannel(sch, (u32)virt_to_phys(sch));
        if (ret)
                goto err_unlock;