[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>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 878b8f86ddc7..17620ecda335 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1442,8 +1442,7 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
                 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);