diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fsf.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 9f73b8fc7f3b..6ddaee5f3701 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -2143,7 +2143,8 @@ static void zfcp_fsf_fcp_cmnd_handler(struct zfcp_fsf_req *req) zfcp_scsi_dif_sense_error(scpnt, 0x3); goto skip_fsfstatus; } - fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; + BUILD_BUG_ON(sizeof(struct fcp_resp_with_ext) > FSF_FCP_RSP_SIZE); + fcp_rsp = &req->qtcb->bottom.io.fcp_rsp.iu; zfcp_fc_eval_fcp_rsp(fcp_rsp, scpnt); skip_fsfstatus: @@ -2256,7 +2257,8 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd) if (zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction)) goto failed_scsi_cmnd; - fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; + BUILD_BUG_ON(sizeof(struct fcp_cmnd) > FSF_FCP_CMND_SIZE); + fcp_cmnd = &req->qtcb->bottom.io.fcp_cmnd.iu; zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd, 0); if ((scsi_get_prot_op(scsi_cmnd) != SCSI_PROT_NORMAL) && @@ -2301,7 +2303,7 @@ static void zfcp_fsf_fcp_task_mgmt_handler(struct zfcp_fsf_req *req) zfcp_fsf_fcp_handler_common(req); - fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp; + fcp_rsp = &req->qtcb->bottom.io.fcp_rsp.iu; rsp_info = (struct fcp_resp_rsp_info *) &fcp_rsp[1]; if ((rsp_info->rsp_code != FCP_TMF_CMPL) || @@ -2350,7 +2352,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd, zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); - fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; + fcp_cmnd = &req->qtcb->bottom.io.fcp_cmnd.iu; zfcp_fc_scsi_to_fcp(fcp_cmnd, scmnd, tm_flags); zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT); |