[SCSI] zfcp: Replace fsf_req wait_queue with completion

The combination wait_queue/wakeup in conjunction with the flag
ZFCP_STATUS_FSFREQ_COMPLETED to signal the completion of an fsfreq
was not race-safe and can be better solved by a completion.

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@suse.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 39e4dd15453f..a377e2f91251 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -485,8 +485,7 @@ static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act)
                 }
                 if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)
                         zfcp_rec_dbf_event_action("erscf_2", act);
-                if (act->fsf_req->status & (ZFCP_STATUS_FSFREQ_COMPLETED |
-                                            ZFCP_STATUS_FSFREQ_DISMISSED))
+                if (act->fsf_req->status & ZFCP_STATUS_FSFREQ_DISMISSED)
                         act->fsf_req = NULL;
         } else
                 act->fsf_req = NULL;