[SCSI] zfcp: fix the data buffer accessor patch

Fix the data buffer accessor patch.

For request without a data buffer nothing was written into
a SBALE.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 81daa8204bfe..c6899efdc8f6 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -640,13 +640,9 @@ int
 zfcp_qdio_sbals_from_scsicmnd(struct zfcp_fsf_req *fsf_req,
                               unsigned long sbtype, struct scsi_cmnd *scsi_cmnd)
 {
-        if (scsi_sg_count(scsi_cmnd))
-                return zfcp_qdio_sbals_from_sg(fsf_req, sbtype,
-                                               scsi_sglist(scsi_cmnd),
-                                               scsi_sg_count(scsi_cmnd),
-                                               ZFCP_MAX_SBALS_PER_REQ);
-        else
-                return 0;
+        return zfcp_qdio_sbals_from_sg(fsf_req, sbtype, scsi_sglist(scsi_cmnd),
+                                       scsi_sg_count(scsi_cmnd),
+                                       ZFCP_MAX_SBALS_PER_REQ);
 }
 
 /**