[tkreuzer] 63088: [WIN32K] Check return value of NtQuerySystemInformation in EngQuerySystemAttribute CID 513027

Author: tkreuzer
Date: Thu May  1 08:55:04 2014
New Revision: 63088

URL: http://svn.reactos.org/svn/reactos?rev=63088&view=rev
Log:
[WIN32K]
Check return value of NtQuerySystemInformation in EngQuerySystemAttribute
CID 513027

Modified:
    trunk/reactos/win32ss/gdi/eng/engmisc.c

Modified: trunk/reactos/win32ss/gdi/eng/engmisc.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/eng/engmisc.c?r...
==============================================================================
--- trunk/reactos/win32ss/gdi/eng/engmisc.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/eng/engmisc.c	[iso-8859-1] Thu May  1 08:55:04 2014
@@ -245,22 +245,34 @@
 {
     SYSTEM_BASIC_INFORMATION sbi;
     SYSTEM_PROCESSOR_INFORMATION spi;
+    NTSTATUS status;

switch (CapNum)
     {
         case EngNumberOfProcessors:
-            NtQuerySystemInformation(SystemBasicInformation,
-                                     &sbi,
-                                     sizeof(SYSTEM_BASIC_INFORMATION),
-                                     NULL);
+            status = NtQuerySystemInformation(SystemBasicInformation,
+                                              &sbi,
+                                              sizeof(SYSTEM_BASIC_INFORMATION),
+                                              NULL);
+            if (!NT_SUCCESS(status))
+            {
+                DPRINT1("Failed to query basic information: 0x%ls\n", status);
+                return FALSE;
+            }
+
             *pCapability = sbi.NumberOfProcessors;
             return TRUE;

case EngProcessorFeature:
-            NtQuerySystemInformation(SystemProcessorInformation,
-                                     &spi,
-                                     sizeof(SYSTEM_PROCESSOR_INFORMATION),
-                                     NULL);
+            status = NtQuerySystemInformation(SystemProcessorInformation,
+                                              &spi,
+                                              sizeof(SYSTEM_PROCESSOR_INFORMATION),
+                                              NULL);
+            if (!NT_SUCCESS(status))
+            {
+                DPRINT1("Failed to query processor information: 0x%ls\n", status);
+                return FALSE;
+            }
             *pCapability = spi.ProcessorFeatureBits;
             return TRUE;