[S390] dasd: remove strings from s390dbf

Remove strings from s390 debugfeature entries that could lead to a
crash when the data is read from dbf because the strings do not exist
any more.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index d1a07e4..0f15244 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -140,9 +140,8 @@
 	}
 	block = dasd_alloc_block();
 	if (IS_ERR(block)) {
-		DBF_EVENT(DBF_WARNING, "could not allocate dasd block "
-			  "structure for device: %s",
-			  dev_name(&device->cdev->dev));
+		DBF_EVENT_DEVID(DBF_WARNING, cdev, "%s", "could not allocate "
+				"dasd block structure");
 		device->private = NULL;
 		kfree(private);
 		return PTR_ERR(block);
@@ -154,9 +153,8 @@
 	rc = dasd_generic_read_dev_chars(device, DASD_FBA_MAGIC,
 					 &private->rdc_data, 32);
 	if (rc) {
-		DBF_EVENT(DBF_WARNING, "Read device characteristics returned "
-			  "error %d for device: %s",
-			  rc, dev_name(&device->cdev->dev));
+		DBF_EVENT_DEVID(DBF_WARNING, cdev, "Read device "
+				"characteristics returned error %d", rc);
 		device->block = NULL;
 		dasd_free_block(block);
 		device->private = NULL;