1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 15370a2c5ff0..0595c763dafd 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -534,11 +534,11 @@ static void dasd_change_state(struct dasd_device *device)
        if (rc)
                device->target = device->state;
-        if (device->state == device->target)
-                wake_up(&dasd_init_waitq);
        /* let user-space know that the device status changed */
        kobject_uevent(&device->cdev->dev.kobj, KOBJ_CHANGE);
+        if (device->state == device->target)
+                wake_up(&dasd_init_waitq);
 }
 /*
@@ -2157,6 +2157,7 @@ static int _dasd_sleep_on(struct dasd_ccw_req *maincqr, int interruptible)
                    test_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags) &&
                    (!dasd_eer_enabled(device))) {
                        cqr->status = DASD_CQR_FAILED;
+                        cqr->intrc = -EAGAIN;
                        continue;
                }
                /* Don't try to start requests if device is stopped */
@@ -3270,6 +3271,16 @@ void dasd_generic_path_event(struct ccw_device *cdev, int *path_event)
                        dasd_schedule_device_bh(device);
                }
                if (path_event[chp] & PE_PATHGROUP_ESTABLISHED) {
+                        if (!(device->path_data.opm & eventlpm) &&
+                            !(device->path_data.tbvpm & eventlpm)) {
+                                /*
+                                 * we can not establish a pathgroup on an
+                                 * unavailable path, so trigger a path
+                                 * verification first
+                                 */
+                                device->path_data.tbvpm |= eventlpm;
+                                dasd_schedule_device_bh(device);
+                        }
                        DBF_DEV_EVENT(DBF_WARNING, device, "%s",
                                      "Pathgroup re-established\n");
                        if (device->discipline->kick_validate)