[sginsberg] 43031: - ObpCreateDosDevicesDirectory: Check that allocation succeeded before dereference

Author: sginsberg
Date: Sat Sep 12 00:31:46 2009
New Revision: 43031

URL: http://svn.reactos.org/svn/reactos?rev=43031&view=rev
Log:
- ObpCreateDosDevicesDirectory: Check that allocation succeeded before dereference

Modified:
    trunk/reactos/ntoskrnl/ob/obname.c

Modified: trunk/reactos/ntoskrnl/ob/obname.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ob/obname.c?rev=4…
==============================================================================
--- trunk/reactos/ntoskrnl/ob/obname.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ob/obname.c [iso-8859-1] Sat Sep 12 00:31:46 2009
@@ -101,6 +101,7 @@
     ObSystemDeviceMap = ExAllocatePoolWithTag(NonPagedPool,
                                               sizeof(*ObSystemDeviceMap),
                                               'mDbO');
+    if (!ObSystemDeviceMap) return STATUS_INSUFFICIENT_RESOURCES;
     RtlZeroMemory(ObSystemDeviceMap, sizeof(*ObSystemDeviceMap));
 
     /* Return status */