X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fblock%2FDAC960.c;h=dd8a1501142f9a7acab30803c86d5390d666dbf4;hb=1d31a4ea8cf7a2afc7299d1d3d8732ca54a5934e;hp=6ede1f352c2954d246ead5288a31cb181ea220df;hpb=9bfab8cec652c80b4864b4d9247520dca042c2df;p=powerpc.git

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 6ede1f352c..dd8a150114 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -17,8 +17,8 @@
 */
 
 
-#define DAC960_DriverVersion			"2.5.47"
-#define DAC960_DriverDate			"14 November 2002"
+#define DAC960_DriverVersion			"2.5.48"
+#define DAC960_DriverDate			"14 May 2006"
 
 
 #include <linux/module.h>
@@ -41,6 +41,8 @@
 #include <linux/timer.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/jiffies.h>
+#include <linux/random.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include "DAC960.h"
@@ -227,8 +229,7 @@ static void *slice_dma_loaf(struct dma_loaf *loaf, size_t len,
 	void *cpu_end = loaf->cpu_free + len;
 	void *cpu_addr = loaf->cpu_free;
 
-	if (cpu_end > loaf->cpu_base + loaf->length)
-		BUG();
+	BUG_ON(cpu_end > loaf->cpu_base + loaf->length);
 	*dma_handle = loaf->dma_free;
 	loaf->cpu_free = cpu_end;
 	loaf->dma_free += len;
@@ -311,11 +312,10 @@ static boolean DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
 		CommandsRemaining = CommandAllocationGroupSize;
 	  CommandGroupByteCount =
 		CommandsRemaining * CommandAllocationLength;
-	  AllocationPointer = kmalloc(CommandGroupByteCount, GFP_ATOMIC);
+	  AllocationPointer = kzalloc(CommandGroupByteCount, GFP_ATOMIC);
 	  if (AllocationPointer == NULL)
 		return DAC960_Failure(Controller,
 					"AUXILIARY STRUCTURE CREATION");
-	  memset(AllocationPointer, 0, CommandGroupByteCount);
 	 }
       Command = (DAC960_Command_T *) AllocationPointer;
       AllocationPointer += CommandAllocationLength;
@@ -2709,14 +2709,12 @@ DAC960_DetectController(struct pci_dev *PCI_Device,
   void __iomem *BaseAddress;
   int i;
 
-  Controller = (DAC960_Controller_T *)
-	kmalloc(sizeof(DAC960_Controller_T), GFP_ATOMIC);
+  Controller = kzalloc(sizeof(DAC960_Controller_T), GFP_ATOMIC);
   if (Controller == NULL) {
 	DAC960_Error("Unable to allocate Controller structure for "
                        "Controller at\n", NULL);
 	return NULL;
   }
-  memset(Controller, 0, sizeof(DAC960_Controller_T));
   Controller->ControllerNumber = DAC960_ControllerCount;
   DAC960_Controllers[DAC960_ControllerCount++] = Controller;
   Controller->Bus = PCI_Device->bus->number;
@@ -3463,7 +3461,7 @@ static inline boolean DAC960_ProcessCompletedRequest(DAC960_Command_T *Command,
 		Command->SegmentCount, Command->DmaDirection);
 
 	 if (!end_that_request_first(Request, UpToDate, Command->BlockCount)) {
-
+		add_disk_randomness(Request->rq_disk);
  	 	end_that_request_last(Request, UpToDate);
 
 		if (Command->Completion) {
@@ -3657,8 +3655,8 @@ static void DAC960_V1_ProcessCompletedCommand(DAC960_Command_T *Command)
 	      (NewEnquiry->EventLogSequenceNumber !=
 	       OldEnquiry->EventLogSequenceNumber) ||
 	      Controller->MonitoringTimerCount == 0 ||
-	      (jiffies - Controller->SecondaryMonitoringTime
-	       >= DAC960_SecondaryMonitoringInterval))
+	      time_after_eq(jiffies, Controller->SecondaryMonitoringTime
+	       + DAC960_SecondaryMonitoringInterval))
 	    {
 	      Controller->V1.NeedLogicalDriveInformation = true;
 	      Controller->V1.NewEventLogSequenceNumber =
@@ -4782,15 +4780,16 @@ static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command)
 	      (NewPhysicalDeviceInfo->LogicalUnit !=
 	       PhysicalDeviceInfo->LogicalUnit))
 	    {
-	      PhysicalDeviceInfo = (DAC960_V2_PhysicalDeviceInfo_T *)
+	      PhysicalDeviceInfo =
 		kmalloc(sizeof(DAC960_V2_PhysicalDeviceInfo_T), GFP_ATOMIC);
 	      InquiryUnitSerialNumber =
-		(DAC960_SCSI_Inquiry_UnitSerialNumber_T *)
 		  kmalloc(sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T),
 			  GFP_ATOMIC);
-	      if (InquiryUnitSerialNumber == NULL &&
-		  PhysicalDeviceInfo != NULL)
+	      if (InquiryUnitSerialNumber == NULL ||
+		  PhysicalDeviceInfo == NULL)
 		{
+		  kfree(InquiryUnitSerialNumber);
+		  InquiryUnitSerialNumber = NULL;
 		  kfree(PhysicalDeviceInfo);
 		  PhysicalDeviceInfo = NULL;
 		}
@@ -5643,8 +5642,8 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
       unsigned int StatusChangeCounter =
 	Controller->V2.HealthStatusBuffer->StatusChangeCounter;
       boolean ForceMonitoringCommand = false;
-      if (jiffies - Controller->SecondaryMonitoringTime
-	  > DAC960_SecondaryMonitoringInterval)
+      if (time_after(jiffies, Controller->SecondaryMonitoringTime
+	  + DAC960_SecondaryMonitoringInterval))
 	{
 	  int LogicalDriveNumber;
 	  for (LogicalDriveNumber = 0;
@@ -5672,8 +5671,8 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
 	   ControllerInfo->ConsistencyChecksActive +
 	   ControllerInfo->RebuildsActive +
 	   ControllerInfo->OnlineExpansionsActive == 0 ||
-	   jiffies - Controller->PrimaryMonitoringTime
-	   < DAC960_MonitoringTimerInterval) &&
+	   time_before(jiffies, Controller->PrimaryMonitoringTime
+	   + DAC960_MonitoringTimerInterval)) &&
 	  !ForceMonitoringCommand)
 	{
 	  Controller->MonitoringTimer.expires =
@@ -5810,8 +5809,8 @@ static void DAC960_Message(DAC960_MessageLevel_T MessageLevel,
       Controller->ProgressBufferLength = Length;
       if (Controller->EphemeralProgressMessage)
 	{
-	  if (jiffies - Controller->LastProgressReportTime
-	      >= DAC960_ProgressReportingInterval)
+	  if (time_after_eq(jiffies, Controller->LastProgressReportTime
+	      + DAC960_ProgressReportingInterval))
 	    {
 	      printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel],
 		     Controller->ControllerNumber, Buffer);