[cgutman] 57064: [SCSIPORT] - Fix a critical bug in interrupt sharing between scsiport miniports and other drivers which caused scsiport to mask the interrupts from other devices sitting behind it ...

Author: cgutman
Date: Mon Aug 13 00:31:27 2012
New Revision: 57064

URL: http://svn.reactos.org/svn/reactos?rev=57064&view=rev
Log:
[SCSIPORT]
- Fix a critical bug in interrupt sharing between scsiport miniports and other drivers which caused scsiport to mask the interrupts from other devices sitting behind it
- This commit and r57063 fixes bug 7231

Modified:
    trunk/reactos/drivers/storage/scsiport/scsiport.c

Modified: trunk/reactos/drivers/storage/scsiport/scsiport.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/scsiport/sc...
==============================================================================
--- trunk/reactos/drivers/storage/scsiport/scsiport.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/scsiport/scsiport.c [iso-8859-1] Mon Aug 13 00:31:27 2012
@@ -4585,7 +4585,11 @@
         return FALSE;

/* Call miniport's HwInterrupt routine */
-    DeviceExtension->HwInterrupt(&DeviceExtension->MiniPortDeviceExtension);
+    if (DeviceExtension->HwInterrupt(&DeviceExtension->MiniPortDeviceExtension) == FALSE)
+    {
+        /* This interrupt doesn't belong to us */
+        return FALSE;
+    }

/* If flag of notification is set - queue a DPC */
     if (DeviceExtension->InterruptData.Flags & SCSI_PORT_NOTIFICATION_NEEDED)