diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 9d0c6e1a0e664a87beb7764eb32653ff8c1614fc..9af02c79ce8afdd03017cb7d53ba57812d92ccbd 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -54,11 +54,11 @@ struct dasd_devmap {
  */
 struct dasd_server_ssid_map {
 	struct list_head list;
-	struct server_id {
+	struct system_id {
 		char vendor[4];
 		char serial[15];
+		__u16 ssid;
 	} sid;
-	__u16 ssid;
 };
 
 static struct list_head dasd_server_ssid_list;
@@ -904,14 +904,14 @@ dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid)
 		return -ENOMEM;
 	strncpy(srv->sid.vendor, uid->vendor, sizeof(srv->sid.vendor) - 1);
 	strncpy(srv->sid.serial, uid->serial, sizeof(srv->sid.serial) - 1);
-	srv->ssid = uid->ssid;
+	srv->sid.ssid = uid->ssid;
 
 	/* server is already contained ? */
 	spin_lock(&dasd_devmap_lock);
 	devmap->uid = *uid;
 	list_for_each_entry(tmp, &dasd_server_ssid_list, list) {
 		if (!memcmp(&srv->sid, &tmp->sid,
-			    sizeof(struct dasd_server_ssid_map))) {
+			    sizeof(struct system_id))) {
 			kfree(srv);
 			srv = NULL;
 			break;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 957ed5db98e4de714fb84caf485a1b88d48e362a..b7a7fac3f7c3a05ae3448e5d172db199578a4dc6 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -607,7 +607,7 @@ dasd_eckd_psf_ssc(struct dasd_device *device)
  * Valide storage server of current device.
  */
 static int
-dasd_eckd_validate_server(struct dasd_device *device)
+dasd_eckd_validate_server(struct dasd_device *device, struct dasd_uid *uid)
 {
 	int rc;
 
@@ -616,11 +616,11 @@ dasd_eckd_validate_server(struct dasd_device *device)
 		return 0;
 
 	rc = dasd_eckd_psf_ssc(device);
-	if (rc)
-		/* may be requested feature is not available on server,
-		 * therefore just report error and go ahead */
-		DEV_MESSAGE(KERN_INFO, device,
-			    "Perform Subsystem Function returned rc=%d", rc);
+	/* may be requested feature is not available on server,
+	 * therefore just report error and go ahead */
+	DEV_MESSAGE(KERN_INFO, device,
+		    "PSF-SSC on storage subsystem %s.%s.%04x returned rc=%d",
+		    uid->vendor, uid->serial, uid->ssid, rc);
 	/* RE-Read Configuration Data */
 	return dasd_eckd_read_conf(device);
 }
@@ -666,7 +666,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 		return rc;
 	rc = dasd_set_uid(device->cdev, &uid);
 	if (rc == 1)	/* new server found */
-		rc = dasd_eckd_validate_server(device);
+		rc = dasd_eckd_validate_server(device, &uid);
 	if (rc)
 		return rc;