[PATCH 3.10 134/319] zfcp: restore: Dont use 0 to indicate invalid LUN in rec trace

From: Willy Tarreau
Date: Sun Feb 05 2017 - 15:04:14 EST


From: Steffen Maier <maier@xxxxxxxxxxxxxxxxxx>

commit 0102a30a6ff60f4bb4c07358ca3b1f92254a6c25 upstream.

bring back
commit d21e9daa63e009ce5b87bbcaa6d11ce48e07bbbe
("[SCSI] zfcp: Dont use 0 to indicate invalid LUN in rec trace")
which was lost with
commit ae0904f60fab7cb20c48d32eefdd735e478b91fb
("[SCSI] zfcp: Redesign of the debug tracing for recovery actions.")

Signed-off-by: Steffen Maier <maier@xxxxxxxxxxxxxxxxxx>
Fixes: ae0904f60fab ("[SCSI] zfcp: Redesign of the debug tracing for recovery actions.")
Reviewed-by: Benjamin Block <bblock@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
drivers/s390/scsi/zfcp_dbf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 8f668c6..394d5d4 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -234,7 +234,8 @@ static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec,
if (sdev) {
rec->lun_status = atomic_read(&sdev_to_zfcp(sdev)->status);
rec->lun = zfcp_scsi_dev_lun(sdev);
- }
+ } else
+ rec->lun = ZFCP_DBF_INVALID_LUN;
}

/**
--
2.8.0.rc2.1.gbe9624a