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[SCSI] qla2xxx: Prep zero-length BSG data-transfer requests. 

During command failure/non-recognition, the upper-layer
FC-transport expects the drivers to set
job-reply->reply_payload_rcv_len.  Do this in a consistent manner
to avoid duplication.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Andrew Vasquez 2012-02-09 11:15:44 -08:00 committed by James Bottomley
parent af11f64dfd
commit b7bfbe12dc
1 changed files with 7 additions and 17 deletions
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24
drivers/scsi/qla2xxx/qla_bsg.c
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@ -108,8 +108,6 @@ qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
uint32_t len;
uint32_t oper;
bsg_job->reply->reply_payload_rcv_len = 0;
if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA82XX(ha))) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
@ -729,7 +727,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
if (qla81xx_get_port_config(vha, config)) {
ql_log(ql_log_warn, vha, 0x701f,
"Get port config failed.\n");
bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
rval = -EPERM;
goto done_free_dma_req;
@ -743,8 +740,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
new_config)) {
ql_log(ql_log_warn, vha, 0x7024,
"Internal loopback failed.\n");
bsg_job->reply->reply_payload_rcv_len =
0;
bsg_job->reply->result =
(DID_ERROR << 16);
rval = -EPERM;
@ -756,8 +751,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
*/
if (qla81xx_reset_internal_loopback(vha,
config, 1)) {
bsg_job->reply->reply_payload_rcv_len =
0;
bsg_job->reply->result =
(DID_ERROR << 16);
rval = -EPERM;
@ -794,7 +787,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
"MPI reset failed.\n");
}
bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
rval = -EIO;
goto done_free_dma_req;
@ -819,7 +811,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
fw_sts_ptr += sizeof(response);
*fw_sts_ptr = command_sent;
rval = 0;
bsg_job->reply->reply_payload_rcv_len = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
ql_dbg(ql_dbg_user, vha, 0x702d,
@ -878,7 +869,7 @@ qla84xx_reset(struct fc_bsg_job *bsg_job)
if (rval) {
ql_log(ql_log_warn, vha, 0x7030,
"Vendor request 84xx reset failed.\n");
rval = bsg_job->reply->reply_payload_rcv_len = 0;
rval = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
@ -977,9 +968,8 @@ qla84xx_updatefw(struct fc_bsg_job *bsg_job)
ql_log(ql_log_warn, vha, 0x7037,
"Vendor request 84xx updatefw failed.\n");
rval = bsg_job->reply->reply_payload_rcv_len = 0;
rval = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
ql_dbg(ql_dbg_user, vha, 0x7038,
"Vendor request 84xx updatefw completed.\n");
@ -1165,7 +1155,7 @@ qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
ql_log(ql_log_warn, vha, 0x7043,
"Vendor request 84xx mgmt failed.\n");
rval = bsg_job->reply->reply_payload_rcv_len = 0;
rval = 0;
bsg_job->reply->result = (DID_ERROR << 16);
} else {
@ -1216,8 +1206,6 @@ qla24xx_iidma(struct fc_bsg_job *bsg_job)
uint16_t mb[MAILBOX_REGISTER_COUNT];
uint8_t *rsp_ptr = NULL;
bsg_job->reply->reply_payload_rcv_len = 0;
if (!IS_IIDMA_CAPABLE(vha->hw)) {
ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
return -EINVAL;
@ -1310,8 +1298,6 @@ qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
int valid = 0;
struct qla_hw_data *ha = vha->hw;
bsg_job->reply->reply_payload_rcv_len = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
return -EINVAL;
@ -1623,6 +1609,9 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
struct Scsi_Host *host;
scsi_qla_host_t *vha;
/* In case no data transferred. */
bsg_job->reply->reply_payload_rcv_len = 0;
if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
rport = bsg_job->rport;
fcport = *(fc_port_t **) rport->dd_data;
@ -1661,6 +1650,7 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
case FC_BSG_RPT_CT:
default:
ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
bsg_job->reply->result = ret;
break;
}
return ret;