1 files changed, 14 insertions, 8 deletions

diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 8912358daa2f..597c6ffdb9f2 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -122,20 +122,20 @@ dasd_fba_check_characteristics(struct dasd_device *device)
         struct dasd_block *block;
         struct dasd_fba_private *private;
         struct ccw_device *cdev = device->cdev;
-        void *rdc_data;
         int rc;
 
         private = (struct dasd_fba_private *) device->private;
-        if (private == NULL) {
-                private = kzalloc(sizeof(struct dasd_fba_private),
-                                  GFP_KERNEL | GFP_DMA);
-                if (private == NULL) {
+        if (!private) {
+                private = kzalloc(sizeof(*private), GFP_KERNEL | GFP_DMA);
+                if (!private) {
                         dev_warn(&device->cdev->dev,
                                  "Allocating memory for private DASD "
                                  "data failed\n");
                         return -ENOMEM;
                 }
                 device->private = (void *) private;
+        } else {
+                memset(private, 0, sizeof(*private));
         }
         block = dasd_alloc_block();
         if (IS_ERR(block)) {
@@ -150,8 +150,8 @@ dasd_fba_check_characteristics(struct dasd_device *device)
         block->base = device;
 
         /* Read Device Characteristics */
-        rdc_data = (void *) &(private->rdc_data);
-        rc = dasd_generic_read_dev_chars(device, "FBA ", &rdc_data, 32);
+        rc = dasd_generic_read_dev_chars(device, "FBA ", &private->rdc_data,
+                                         32);
         if (rc) {
                 DBF_EVENT(DBF_WARNING, "Read device characteristics returned "
                           "error %d for device: %s",
@@ -604,8 +604,14 @@ static struct dasd_discipline dasd_fba_discipline = {
 static int __init
 dasd_fba_init(void)
 {
+        int ret;
+
         ASCEBC(dasd_fba_discipline.ebcname, 4);
-        return ccw_driver_register(&dasd_fba_driver);
+        ret = ccw_driver_register(&dasd_fba_driver);
+        if (!ret)
+                wait_for_device_probe();
+
+        return ret;
 }
 
 static void __exit