diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ipr.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 0fedca6e273b..590997961a93 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -850,8 +850,6 @@ static void ipr_do_req(struct ipr_cmnd *ipr_cmd, ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); - mb(); - ipr_send_command(ipr_cmd); } @@ -985,8 +983,6 @@ static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); - mb(); - ipr_send_command(ipr_cmd); } else { list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); @@ -5863,14 +5859,12 @@ static int ipr_queuecommand_lck(struct scsi_cmnd *scsi_cmd, rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); } - if (likely(rc == 0)) { - mb(); - ipr_send_command(ipr_cmd); - } else { - list_move_tail(&ipr_cmd->queue, &ioa_cfg->free_q); - return SCSI_MLQUEUE_HOST_BUSY; + if (unlikely(rc != 0)) { + list_move_tail(&ipr_cmd->queue, &ioa_cfg->free_q); + return SCSI_MLQUEUE_HOST_BUSY; } + ipr_send_command(ipr_cmd); return 0; } @@ -6248,8 +6242,6 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) return AC_ERR_INVALID; } - mb(); - ipr_send_command(ipr_cmd); return 0; |