[SCSI] hptiop: HighPoint RocketRAID 3xxx controller driver

Updates:
- don't bypass SYNCHRONIZE_CACHE command
- return SCSI_MLQUEUE_HOST_BUSY when no free request slots
- move scsi_remove_host() to the begin of hpt_remove(), or it will
  not work after resources being released.

Signed-off-by: HighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 3 insertions, 11 deletions

diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index 8302f3ba31c..a96751cad8c 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -504,19 +504,10 @@ static int hptiop_queuecommand(struct scsi_cmnd *scp,
         BUG_ON(!done);
         scp->scsi_done = done;
 
-        /*
-         * hptiop_shutdown will flash controller cache.
-         */
-        if (scp->cmnd[0] == SYNCHRONIZE_CACHE)  {
-                scp->result = DID_OK<<16;
-                goto cmd_done;
-        }
-
         _req = get_req(hba);
         if (_req == NULL) {
                 dprintk("hptiop_queuecmd : no free req\n");
-                scp->result = DID_BUS_BUSY << 16;
-                goto cmd_done;
+                return SCSI_MLQUEUE_HOST_BUSY;
         }
 
         _req->scp = scp;
@@ -1429,6 +1420,8 @@ static void hptiop_remove(struct pci_dev *pcidev)
 
         dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
 
+        scsi_remove_host(host);
+
         spin_lock(&hptiop_hba_list_lock);
         list_del_init(&hba->link);
         spin_unlock(&hptiop_hba_list_lock);
@@ -1448,7 +1441,6 @@ static void hptiop_remove(struct pci_dev *pcidev)
         pci_set_drvdata(hba->pcidev, NULL);
         pci_disable_device(hba->pcidev);
 
-        scsi_remove_host(host);
         scsi_host_put(host);
 }