From: Quinn Tran <quinn.tran@xxxxxxxxxx>
The response data buffer used in switch scan is reused 4 times.
(For example, for commands GPN_FT, GNN_FT for FCP and FC-NVME)
Before driver reuses this buffer, clear it to prevent duplicate
entries in our database.
Fixes: a4239945b8ad1 ("scsi: qla2xxx: Add switch command to simplify fabric discovery"
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Quinn Tran <quinn.tran@xxxxxxxxxx>
Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_gs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index a0038d879b9d..e22c038e47a8 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -4444,9 +4444,9 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp)
sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
- rspsz = sizeof(struct ct_sns_gpnft_rsp) +
- ((vha->hw->max_fibre_devices - 1) *
- sizeof(struct ct_sns_gpn_ft_data));
+ rspsz = sp->u.iocb_cmd.u.ctarg.rsp_size;
+ memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size);
+ memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size);
ct_sns = (struct ct_sns_pkt *)sp->u.iocb_cmd.u.ctarg.req;
/* CT_IU preamble */
--
2.12.0
