1 files changed, 15 insertions, 5 deletions

diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index f98698d5735e..ec7fb6d3b479 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -198,7 +198,7 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
         if (cdev->private->state == DEV_STATE_VERIFY) {
                 /* Remember to fake irb when finished. */
                 if (!cdev->private->flags.fake_irb) {
-                        cdev->private->flags.fake_irb = 1;
+                        cdev->private->flags.fake_irb = FAKE_CMD_IRB;
                         cdev->private->intparm = intparm;
                         return 0;
                 } else
@@ -213,9 +213,9 @@ int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
         ret = cio_set_options (sch, flags);
         if (ret)
                 return ret;
-        /* Adjust requested path mask to excluded varied off paths. */
+        /* Adjust requested path mask to exclude unusable paths. */
         if (lpm) {
-                lpm &= sch->opm;
+                lpm &= sch->lpm;
                 if (lpm == 0)
                         return -EACCES;
         }
@@ -605,11 +605,21 @@ int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
         sch = to_subchannel(cdev->dev.parent);
         if (!sch->schib.pmcw.ena)
                 return -EINVAL;
+        if (cdev->private->state == DEV_STATE_VERIFY) {
+                /* Remember to fake irb when finished. */
+                if (!cdev->private->flags.fake_irb) {
+                        cdev->private->flags.fake_irb = FAKE_TM_IRB;
+                        cdev->private->intparm = intparm;
+                        return 0;
+                } else
+                        /* There's already a fake I/O around. */
+                        return -EBUSY;
+        }
         if (cdev->private->state != DEV_STATE_ONLINE)
                 return -EIO;
-        /* Adjust requested path mask to excluded varied off paths. */
+        /* Adjust requested path mask to exclude unusable paths. */
         if (lpm) {
-                lpm &= sch->opm;
+                lpm &= sch->lpm;
                 if (lpm == 0)
                         return -EACCES;
         }