[SCSI] fnic: Pad the unused bytes of CDB to 0s

Signed-off-by: Abhijeet Joglekar <abjoglek@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

2 files changed, 5 insertions, 2 deletions

diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h
index b6f310262534..88c4471c18f0 100644
--- a/drivers/scsi/fnic/fnic_res.h
+++ b/drivers/scsi/fnic/fnic_res.h
@@ -58,6 +58,7 @@ static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
                                                     u64 sgl_addr, u64 sns_addr,
                                                     u8 crn, u8 pri_ta,
                                                     u8 flags, u8 *scsi_cdb,
+                                                    u8 cdb_len,
                                                     u32 data_len, u8 *lun,
                                                     u32 d_id, u16 mss,
                                                     u32 ratov, u32 edtov)
@@ -82,7 +83,8 @@ static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
         desc->u.icmnd_16.pri_ta = pri_ta;       /* SCSI Pri & Task attribute */
         desc->u.icmnd_16._resvd1 = 0;           /* reserved: should be 0 */
         desc->u.icmnd_16.flags = flags;         /* command flags */
-        memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16);    /* SCSI CDB */
+        memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16);
+        memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len);    /* SCSI CDB */
         desc->u.icmnd_16.data_len = data_len;   /* length of data expected */
         memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS);  /* LUN address */
         desc->u.icmnd_16._resvd2 = 0;           /* reserved */
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index bfc996971b81..b5d17385939b 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -319,7 +319,8 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
                                          0, /* scsi cmd ref, always 0 */
                                          pri_tag, /* scsi pri and tag */
                                          flags, /* command flags */
-                                         sc->cmnd, scsi_bufflen(sc),
+                                         sc->cmnd, sc->cmd_len,
+                                         scsi_bufflen(sc),
                                          fc_lun.scsi_lun, io_req->port_id,
                                          rport->maxframe_size, rp->r_a_tov,
                                          rp->e_d_tov);