[ekohl] 61162: [FDC] Fix a bug that overwrites drive data if two FDDs are attached to a controller. Only the second drive is detected in this case.

Author: ekohl
Date: Sun Dec  1 01:32:26 2013
New Revision: 61162

URL: http://svn.reactos.org/svn/reactos?rev=61162&view=rev
Log:
[FDC]
Fix a bug that overwrites drive data if two FDDs are attached to a controller. Only the
second drive is detected in this case.

Modified:
    trunk/reactos/drivers/storage/fdc/fdc/fdc.rc
    trunk/reactos/drivers/storage/fdc/fdc/fdo.c

Modified: trunk/reactos/drivers/storage/fdc/fdc/fdc.rc
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/fdc/fdc/fd…
==============================================================================
--- trunk/reactos/drivers/storage/fdc/fdc/fdc.rc	[iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/fdc/fdc/fdc.rc	[iso-8859-1] Sun Dec  1 01:32:26 2013
@@ -6,7 +6,6 @@
  * PROGRAMMERS:    Eric Kohl
  */
 
- 
 #define REACTOS_VERSION_DLL
 #define REACTOS_STR_FILE_DESCRIPTION	"Floppy Disk Controller Driver\0"
 #define REACTOS_STR_INTERNAL_NAME	"fdc\0"

Modified: trunk/reactos/drivers/storage/fdc/fdc/fdo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/fdc/fdc/fd…
==============================================================================
--- trunk/reactos/drivers/storage/fdc/fdc/fdo.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/fdc/fdc/fdo.c	[iso-8859-1] Sun Dec  1 01:32:26 2013
@@ -216,8 +216,6 @@
     PeripheralResourceDescriptor =
(PCM_FULL_RESOURCE_DESCRIPTOR)((PCHAR)PeripheralFullDescriptor +
                                                                  
PeripheralFullDescriptor->DataOffset);
 
-    DeviceExtension->ControllerInfo.NumberOfDrives = 0;
-
     /* learn about drives attached to controller */
     for(i = 0; i < PeripheralResourceDescriptor->PartialResourceList.Count; i++)
     {
@@ -228,10 +226,10 @@
 
         FloppyDeviceData = (PCM_FLOPPY_DEVICE_DATA)(PartialDescriptor + 1);
 
-        DriveInfo = &DeviceExtension->ControllerInfo.DriveInfo[i];
+        DriveInfo =
&DeviceExtension->ControllerInfo.DriveInfo[DeviceExtension->ControllerInfo.NumberOfDrives];
 
         DriveInfo->ControllerInfo = &DeviceExtension->ControllerInfo;
-        DriveInfo->UnitNumber = i;
+        DriveInfo->UnitNumber = DeviceExtension->ControllerInfo.NumberOfDrives;
         DriveInfo->PeripheralNumber = PeripheralNumber;
 
         DriveInfo->FloppyDeviceData.MaxDensity = FloppyDeviceData->MaxDensity;