[SCSI] zfcp: remove undefined subtype for status read response

The status read response FSF_STATUS_READ_SUB_ERROR_PORT is not
defined in the specs and therefore not valid.
All occurrences are removed from the code.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/s390/scsi/zfcp_dbf.c

@@ -615,7 +615,7 @@ static const char *zfcp_rec_dbf_ids[] = {
 	[119]	= "unknown protocol status",
 	[120]	= "unknown fsf command",
 	[121]	= "no recommendation for status qualifier",
-	[122]	= "status read physical port closed in error",
+	[122]	= "",
 	[123]	= "fc service class not supported",
 	[124]	= "",
 	[125]	= "need newer zfcp",

drivers/s390/scsi/zfcp_fsf.c

@@ -162,14 +162,7 @@ static void zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *req)
 	list_for_each_entry(port, &adapter->port_list_head, list)
 		if (port->d_id == d_id) {
 			read_unlock_irqrestore(&zfcp_data.config_lock, flags);
-			switch (sr_buf->status_subtype) {
-			case FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT:
 			zfcp_erp_port_reopen(port, 0, 101, req);
-				break;
-			case FSF_STATUS_READ_SUB_ERROR_PORT:
-				zfcp_erp_port_shutdown(port, 0, 122, req);
-				break;
-			}
 			return;
 		}
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);

drivers/s390/scsi/zfcp_fsf.h

@@ -127,10 +127,6 @@
 #define FSF_STATUS_READ_CFDC_UPDATED		0x0000000A
 #define FSF_STATUS_READ_FEATURE_UPDATE_ALERT	0x0000000C
 
-/* status subtypes in status read buffer */
-#define FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT	0x00000001
-#define FSF_STATUS_READ_SUB_ERROR_PORT		0x00000002
-
 /* status subtypes for link down */
 #define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK	0x00000000
 #define FSF_STATUS_READ_SUB_FDISC_FAILED	0x00000001