From: Christoph Hellwig hch@lst.de
commit 05231a3bb7981b01f6933c0a847fcaac25622bfd upstream.
Always use bsg_job->reply instead of scsi_req(bsg_job->req)->sense), as they always point to the same memory.
Never set scsi_req(bsg_job->req)->result and we'll set that value through bsg_job_done.
[mkp: applied by hand, fixed whitespace]
Signed-off-by: Christoph Hellwig hch@lst.de Reviewed-by: Johannes Thumshirn jthumshirn@suse.de Reviewed-by: Himanshu Madhani himanshu.madhani@cavium.com Tested-by: Himanshu Madhani himanshu.madhani@cavium.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/scsi/qla2xxx/qla_bsg.c | 10 ++++------ drivers/scsi/qla2xxx/qla_isr.c | 12 +++--------- drivers/scsi/qla2xxx/qla_mr.c | 3 +-- 3 files changed, 8 insertions(+), 17 deletions(-)
--- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -924,9 +924,9 @@ qla2x00_process_loopback(struct bsg_job
bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(response) + sizeof(uint8_t); - fw_sts_ptr = ((uint8_t *)scsi_req(bsg_job->req)->sense) + - sizeof(struct fc_bsg_reply); - memcpy(fw_sts_ptr, response, sizeof(response)); + fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply); + memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), response, + sizeof(response)); fw_sts_ptr += sizeof(response); *fw_sts_ptr = command_sent;
@@ -2558,13 +2558,11 @@ qla24xx_bsg_timeout(struct bsg_job *bsg_ ql_log(ql_log_warn, vha, 0x7089, "mbx abort_command " "failed.\n"); - scsi_req(bsg_job->req)->result = bsg_reply->result = -EIO; } else { ql_dbg(ql_dbg_user, vha, 0x708a, "mbx abort_command " "success.\n"); - scsi_req(bsg_job->req)->result = bsg_reply->result = 0; } spin_lock_irqsave(&ha->hardware_lock, flags); @@ -2575,7 +2573,7 @@ qla24xx_bsg_timeout(struct bsg_job *bsg_ } spin_unlock_irqrestore(&ha->hardware_lock, flags); ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n"); - scsi_req(bsg_job->req)->result = bsg_reply->result = -ENXIO; + bsg_reply->result = -ENXIO; return 0;
done: --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1540,7 +1540,6 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vh struct fc_bsg_reply *bsg_reply; uint16_t comp_status; uint32_t fw_status[3]; - uint8_t* fw_sts_ptr; int res;
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); @@ -1601,11 +1600,7 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vh type, sp->handle, comp_status, fw_status[1], fw_status[2], le16_to_cpu(((struct els_sts_entry_24xx *) pkt)->total_byte_count)); - fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) + - sizeof(struct fc_bsg_reply); - memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); - } - else { + } else { ql_dbg(ql_dbg_user, vha, 0x5040, "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " "error subcode 1=0x%x error subcode 2=0x%x.\n", @@ -1616,10 +1611,9 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vh pkt)->error_subcode_2)); res = DID_ERROR << 16; bsg_reply->reply_payload_rcv_len = 0; - fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) + - sizeof(struct fc_bsg_reply); - memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); } + memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), + fw_status, sizeof(fw_status)); ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, (uint8_t *)pkt, sizeof(*pkt)); } --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -2222,8 +2222,7 @@ qlafx00_ioctl_iosb_entry(scsi_qla_host_t memcpy(fstatus.reserved_3, pkt->reserved_2, 20 * sizeof(uint8_t));
- fw_sts_ptr = ((uint8_t *)scsi_req(bsg_job->req)->sense) + - sizeof(struct fc_bsg_reply); + fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply);
memcpy(fw_sts_ptr, (uint8_t *)&fstatus, sizeof(struct qla_mt_iocb_rsp_fx00));