[SCSI] zfcp: remove DID_DID flag
The port flag DID_DID indicates whether we know the current id of the
port. This is always set in parallel. Since the id 0 is invalid
(because the port id 0 is invalid) we can remove the DID_DID flag:
d_id of 0 indicates an invalid d_id != 0 is a valid one.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Acked-by: Felix Beck <felix@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 878b8f8..17620ec 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1442,8 +1442,7 @@
plogi = (struct fsf_plogi *) req->qtcb->bottom.support.els;
if (req->qtcb->bottom.support.els1_length >= sizeof(*plogi)) {
if (plogi->serv_param.wwpn != port->wwpn)
- atomic_clear_mask(ZFCP_STATUS_PORT_DID_DID,
- &port->status);
+ port->d_id = 0;
else {
port->wwnn = plogi->serv_param.wwnn;
zfcp_fc_plogi_evaluate(port, plogi);