[akhaldi] 70372: [0.4.0] * Merge the IopGetDeviceInterfaceList() null pointer freeing fix by Thomas Faber in r70356. CORE-10706

Author: akhaldi
Date: Wed Dec 16 22:39:01 2015
New Revision: 70372

URL: http://svn.reactos.org/svn/reactos?rev=70372&view=rev
Log:
[0.4.0] * Merge the IopGetDeviceInterfaceList() null pointer freeing fix by Thomas Faber
in r70356. CORE-10706

Modified:
    branches/ros-branch-0_4_0/   (props changed)
    branches/ros-branch-0_4_0/reactos/   (props changed)
    branches/ros-branch-0_4_0/reactos/ntoskrnl/io/pnpmgr/plugplay.c

Propchange: branches/ros-branch-0_4_0/
------------------------------------------------------------------------------
--- svn:mergeinfo	(original)
+++ svn:mergeinfo	Wed Dec 16 22:39:01 2015
@@ -1 +1 @@
-/trunk:70000-70321,70323-70324,70328-70337,70347,70349,70354-70355,70357-70358,70360,70363,70369
+/trunk:70000-70321,70323-70324,70328-70337,70347,70349,70354-70358,70360,70363,70369

Propchange: branches/ros-branch-0_4_0/reactos/
------------------------------------------------------------------------------
--- svn:mergeinfo	(original)
+++ svn:mergeinfo	Wed Dec 16 22:39:01 2015
@@ -20,4 +20,4 @@

/branches/usb-bringup:51335,51337,51341-51343,51348,51350,51353,51355,51365-51369,51372,51384-54388,54396-54398,54736-54737,54752-54754,54756-54760,54762,54764-54765,54767-54768,54772,54774-54777,54781,54787,54790-54792,54797-54798,54806,54808,54834-54838,54843,54850,54852,54856,54858-54859
 /branches/usb-bringup-trunk:55019-55543,55548-55554,55556-55567
 /branches/wlan-bringup:54809-54998
-/trunk/reactos:70000-70321,70323-70324,70328-70337,70347,70349,70354-70355,70357-70358,70360,70363,70369
+/trunk/reactos:70000-70321,70323-70324,70328-70337,70347,70349,70354-70358,70360,70363,70369

Modified: branches/ros-branch-0_4_0/reactos/ntoskrnl/io/pnpmgr/plugplay.c
URL:
http://svn.reactos.org/svn/reactos/branches/ros-branch-0_4_0/reactos/ntoskr…
==============================================================================
--- branches/ros-branch-0_4_0/reactos/ntoskrnl/io/pnpmgr/plugplay.c	[iso-8859-1]
(original)
+++ branches/ros-branch-0_4_0/reactos/ntoskrnl/io/pnpmgr/plugplay.c	[iso-8859-1] Wed Dec
16 22:39:01 2015
@@ -247,7 +247,10 @@
     {
         /* Get the device object */
         DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
-        ExFreePool(DeviceInstance.Buffer);
+        if (DeviceInstance.Buffer != NULL)
+        {
+            ExFreePool(DeviceInstance.Buffer);
+        }
     }
 
     Status = IoGetDeviceInterfaces(&FilterGuid, DeviceObject, StackList.Flags,
&SymbolicLinkList);
@@ -317,14 +320,20 @@
     }
     _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
     {
-        ExFreePool(DeviceInstance.Buffer);
+        if (DeviceInstance.Buffer != NULL)
+        {
+            ExFreePool(DeviceInstance.Buffer);
+        }
         _SEH2_YIELD(return _SEH2_GetExceptionCode());
     }
     _SEH2_END;
 
     /* Get the device object */
     DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
-    ExFreePool(DeviceInstance.Buffer);
+    if (DeviceInstance.Buffer != NULL)
+    {
+        ExFreePool(DeviceInstance.Buffer);
+    }
     if (DeviceObject == NULL)
     {
         return STATUS_NO_SUCH_DEVICE;
@@ -394,7 +403,10 @@
     }
     _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
     {
-        ExFreePool(TargetDeviceInstance.Buffer);
+        if (TargetDeviceInstance.Buffer != NULL)
+        {
+            ExFreePool(TargetDeviceInstance.Buffer);
+        }
         _SEH2_YIELD(return _SEH2_GetExceptionCode());
     }
     _SEH2_END;
@@ -406,13 +418,19 @@
                               TRUE))
     {
         DeviceNode = IopRootDeviceNode;
-        ExFreePool(TargetDeviceInstance.Buffer);
+        if (TargetDeviceInstance.Buffer != NULL)
+        {
+            ExFreePool(TargetDeviceInstance.Buffer);
+        }
     }
     else
     {
         /* Get the device object */
         DeviceObject = IopGetDeviceObjectFromDeviceInstance(&TargetDeviceInstance);
-        ExFreePool(TargetDeviceInstance.Buffer);
+        if (TargetDeviceInstance.Buffer != NULL)
+        {
+            ExFreePool(TargetDeviceInstance.Buffer);
+        }
         if (DeviceObject == NULL)
             return STATUS_NO_SUCH_DEVICE;
 
@@ -566,14 +584,20 @@
     }
     _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
     {
-        ExFreePool(DeviceInstance.Buffer);
+        if (DeviceInstance.Buffer != NULL)
+        {
+            ExFreePool(DeviceInstance.Buffer);
+        }
         _SEH2_YIELD(return _SEH2_GetExceptionCode());
     }
     _SEH2_END;
 
     /* Get the device object */
     DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
-    ExFreePool(DeviceInstance.Buffer);
+    if (DeviceInstance.Buffer != NULL)
+    {
+        ExFreePool(DeviceInstance.Buffer);
+    }
     if (DeviceObject == NULL)
     {
         return STATUS_NO_SUCH_DEVICE;
@@ -647,7 +671,10 @@
 
     /* Get the device object */
     DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
-    ExFreePool(DeviceInstance.Buffer);
+    if (DeviceInstance.Buffer != NULL)
+    {
+        ExFreePool(DeviceInstance.Buffer);
+    }
     if (DeviceObject == NULL)
     {
         return STATUS_NO_SUCH_DEVICE;
@@ -689,7 +716,10 @@
 
     /* Get the device object */
     DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
-    ExFreePool(DeviceInstance.Buffer);
+    if (DeviceInstance.Buffer != NULL)
+    {
+        ExFreePool(DeviceInstance.Buffer);
+    }
     if (DeviceObject == NULL)
     {
         return STATUS_NO_SUCH_DEVICE;