[PATCH 19/20] fnic: Pad the unused bytes of CDB to 0s

Robert Love
2009-10-21T23:29:24Z

From: Abhijeet Joglekar <abjoglek@cisco.com>

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

drivers/scsi/fnic/fnic_res.h | 4 +++-
drivers/scsi/fnic/fnic_scsi.c | 3 ++-
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h
index b6f3102..88c4471 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 bfc9969..b5d1738 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);