[SCSI] zfcp: Dont use 0 to indicate invalid LUN in rec trace

[firefly-linux-kernel-4.4.55.git] / drivers / s390 / scsi / zfcp_dbf.c

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 818b6ad935ad21243f7c2933a653ad3800c301d5..c8d68fec633455273319c081e919a29553f5927a 100644 (file)
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -576,7 +576,8 @@ void zfcp_dbf_rec_adapter(char *id, void *ref, struct zfcp_dbf *dbf)
        struct zfcp_adapter *adapter = dbf->adapter;
 
        zfcp_dbf_rec_target(id, ref, dbf, &adapter->status,
-                                 &adapter->erp_counter, 0, 0, 0);
+                           &adapter->erp_counter, 0, 0,
+                           ZFCP_DBF_INVALID_LUN);
 }
 
 /**
@@ -590,8 +591,8 @@ void zfcp_dbf_rec_port(char *id, void *ref, struct zfcp_port *port)
        struct zfcp_dbf *dbf = port->adapter->dbf;
 
        zfcp_dbf_rec_target(id, ref, dbf, &port->status,
-                                 &port->erp_counter, port->wwpn, port->d_id,
-                                 0);
+                           &port->erp_counter, port->wwpn, port->d_id,
+                           ZFCP_DBF_INVALID_LUN);
 }
 
 /**
@@ -642,10 +643,9 @@ void zfcp_dbf_rec_trigger(char *id2, void *ref, u8 want, u8 need, void *action,
                r->u.trigger.ps = atomic_read(&port->status);
                r->u.trigger.wwpn = port->wwpn;
        }
-       if (unit) {
+       if (unit)
                r->u.trigger.us = atomic_read(&unit->status);
-               r->u.trigger.fcp_lun = unit->fcp_lun;
-       }
+       r->u.trigger.fcp_lun = unit ? unit->fcp_lun : ZFCP_DBF_INVALID_LUN;
        debug_event(dbf->rec, action ? 1 : 4, r, sizeof(*r));
        spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }