2 files changed, 3 insertions, 104 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 9a9db6deefcd..b22cec97ea19 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2612,51 +2612,6 @@ static unsigned long pollcomplete(int ctlr)
         return 1;
 }
 
-static int add_sendcmd_reject(__u8 cmd, int ctlr, unsigned long complete)
-{
-        /* We get in here if sendcmd() is polling for completions
-           and gets some command back that it wasn't expecting --
-           something other than that which it just sent down.
-           Ordinarily, that shouldn't happen, but it can happen when
-           the scsi tape stuff gets into error handling mode, and
-           starts using sendcmd() to try to abort commands and
-           reset tape drives.  In that case, sendcmd may pick up
-           completions of commands that were sent to logical drives
-           through the block i/o system, or cciss ioctls completing, etc.
-           In that case, we need to save those completions for later
-           processing by the interrupt handler.
-         */
-
-#ifdef CONFIG_CISS_SCSI_TAPE
-        struct sendcmd_reject_list *srl = &hba[ctlr]->scsi_rejects;
-
-        /* If it's not the scsi tape stuff doing error handling, (abort */
-        /* or reset) then we don't expect anything weird. */
-        if (cmd != CCISS_RESET_MSG && cmd != CCISS_ABORT_MSG) {
-#endif
-                printk(KERN_WARNING "cciss cciss%d: SendCmd "
-                       "Invalid command list address returned! (%lx)\n",
-                       ctlr, complete);
-                /* not much we can do. */
-#ifdef CONFIG_CISS_SCSI_TAPE
-                return 1;
-        }
-
-        /* We've sent down an abort or reset, but something else
-           has completed */
-        if (srl->ncompletions >= (hba[ctlr]->nr_cmds + 2)) {
-                /* Uh oh.  No room to save it for later... */
-                printk(KERN_WARNING "cciss%d: Sendcmd: Invalid command addr, "
-                       "reject list overflow, command lost!\n", ctlr);
-                return 1;
-        }
-        /* Save it for later */
-        srl->complete[srl->ncompletions] = complete;
-        srl->ncompletions++;
-#endif
-        return 0;
-}
-
 /* Send command c to controller h and poll for it to complete.
  * Turns interrupts off on the board.  Used at driver init time
  * and during SCSI error recovery.
@@ -2701,11 +2656,10 @@ resend_cmd1:
                         break;
                 }
 
-                /* If it's not the cmd we're looking for, save it for later */
+                /* Make sure it's the command we're expecting. */
                 if ((complete & ~CISS_ERROR_BIT) != c->busaddr) {
-                        if (add_sendcmd_reject(c->Request.CDB[0],
-                                h->ctlr, complete) != 0)
-                                BUG(); /* we are hosed if we get here. */
+                        printk(KERN_WARNING "cciss%d: Unexpected command "
+                                "completion.\n", h->ctlr);
                         continue;
                 }
 
@@ -2770,11 +2724,6 @@ resend_cmd1:
         buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
         pci_unmap_single(h->pdev, (dma_addr_t) buff_dma_handle.val,
                          c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
-#ifdef CONFIG_CISS_SCSI_TAPE
-        /* if we saved some commands for later, process them now. */
-        if (h->scsi_rejects.ncompletions > 0)
-                do_cciss_intr(0, h);
-#endif
         return status;
 }
 
@@ -3195,44 +3144,18 @@ startio:
 
 static inline unsigned long get_next_completion(ctlr_info_t *h)
 {
-#ifdef CONFIG_CISS_SCSI_TAPE
-        /* Any rejects from sendcmd() lying around? Process them first */
-        if (h->scsi_rejects.ncompletions == 0)
-                return h->access.command_completed(h);
-        else {
-                struct sendcmd_reject_list *srl;
-                int n;
-                srl = &h->scsi_rejects;
-                n = --srl->ncompletions;
-                /* printk("cciss%d: processing saved reject\n", h->ctlr); */
-                printk("p");
-                return srl->complete[n];
-        }
-#else
         return h->access.command_completed(h);
-#endif
 }
 
 static inline int interrupt_pending(ctlr_info_t *h)
 {
-#ifdef CONFIG_CISS_SCSI_TAPE
-        return (h->access.intr_pending(h)
-                || (h->scsi_rejects.ncompletions > 0));
-#else
         return h->access.intr_pending(h);
-#endif
 }
 
 static inline long interrupt_not_for_us(ctlr_info_t *h)
 {
-#ifdef CONFIG_CISS_SCSI_TAPE
-        return (((h->access.intr_pending(h) == 0) ||
-                 (h->interrupts_enabled == 0))
-                && (h->scsi_rejects.ncompletions == 0));
-#else
         return (((h->access.intr_pending(h) == 0) ||
                  (h->interrupts_enabled == 0)));
-#endif
 }
 
 static irqreturn_t do_cciss_intr(int irq, void *dev_id)
@@ -4054,15 +3977,6 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
                 printk(KERN_ERR "cciss: out of memory");
                 goto clean4;
         }
-#ifdef CONFIG_CISS_SCSI_TAPE
-        hba[i]->scsi_rejects.complete =
-            kmalloc(sizeof(hba[i]->scsi_rejects.complete[0]) *
-                    (hba[i]->nr_cmds + 5), GFP_KERNEL);
-        if (hba[i]->scsi_rejects.complete == NULL) {
-                printk(KERN_ERR "cciss: out of memory");
-                goto clean4;
-        }
-#endif
         spin_lock_init(&hba[i]->lock);
 
         /* Initialize the pdev driver private data.
@@ -4122,9 +4036,6 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
 
 clean4:
         kfree(inq_buff);
-#ifdef CONFIG_CISS_SCSI_TAPE
-        kfree(hba[i]->scsi_rejects.complete);
-#endif
         kfree(hba[i]->cmd_pool_bits);
         if (hba[i]->cmd_pool)
                 pci_free_consistent(hba[i]->pdev,
@@ -4242,9 +4153,6 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
         pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(ErrorInfo_struct),
                             hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle);
         kfree(hba[i]->cmd_pool_bits);
-#ifdef CONFIG_CISS_SCSI_TAPE
-        kfree(hba[i]->scsi_rejects.complete);
-#endif
         /*
          * Deliberately omit pci_disable_device(): it does something nasty to
          * Smart Array controllers that pci_enable_device does not undo
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
index 25cd58e25021..06a5db25b298 100644
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -53,14 +53,6 @@ typedef struct _drive_info_struct
         char rev[REV_LEN + 1];       /* SCSI revision string */
 } drive_info_struct;
 
-#ifdef CONFIG_CISS_SCSI_TAPE
-
-struct sendcmd_reject_list {
-        int ncompletions;
-        unsigned long *complete; /* array of NR_CMDS tags */
-};
-
-#endif
 struct ctlr_info 
 {
         int     ctlr;
@@ -128,7 +120,6 @@ struct ctlr_info
         void *scsi_ctlr; /* ptr to structure containing scsi related stuff */
         /* list of block side commands the scsi error handling sucked up */
         /* and saved for later processing */
-        struct sendcmd_reject_list scsi_rejects;
 #endif
         unsigned char alive;
         struct completion *rescan_wait;