[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>
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 39e4dd1..a377e2f 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -485,8 +485,7 @@
}
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;