[cwittich] 68031: [NTOSKRNL] do not set ReturnLength in ProcessWow64Information error case add size check in PROCESSOR_POWER_INFORMATION stub

Author: cwittich
Date: Sat Jun  6 09:36:01 2015
New Revision: 68031

URL: http://svn.reactos.org/svn/reactos?rev=68031&view=rev
Log:
[NTOSKRNL]
do not set ReturnLength in ProcessWow64Information error case
add size check in PROCESSOR_POWER_INFORMATION stub

Modified:
    trunk/reactos/ntoskrnl/ex/sysinfo.c
    trunk/reactos/ntoskrnl/ps/query.c

Modified: trunk/reactos/ntoskrnl/ex/sysinfo.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ex/sysinfo.c?rev=6...
==============================================================================
--- trunk/reactos/ntoskrnl/ex/sysinfo.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ex/sysinfo.c	[iso-8859-1] Sat Jun  6 09:36:01 2015
@@ -1839,6 +1839,13 @@
 /* Class 42 - Power Information */
 QSI_DEF(SystemPowerInformation)
 {
+    *ReqSize = sizeof(PROCESSOR_POWER_INFORMATION) * KeNumberProcessors;
+
+    if (sizeof(PROCESSOR_POWER_INFORMATION) * KeNumberProcessors > Size)
+    {
+        return STATUS_INFO_LENGTH_MISMATCH;
+    }
+    
     /* FIXME */
     DPRINT1("NtQuerySystemInformation - SystemPowerInformation not implemented\n");
     return STATUS_NOT_IMPLEMENTED;

Modified: trunk/reactos/ntoskrnl/ps/query.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ps/query.c?rev=680...
==============================================================================
--- trunk/reactos/ntoskrnl/ps/query.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ps/query.c	[iso-8859-1] Sat Jun  6 09:36:01 2015
@@ -960,6 +960,7 @@
             Length = sizeof(ULONG_PTR);
             if (ProcessInformationLength != Length)
             {
+                Length = 0;
                 Status = STATUS_INFO_LENGTH_MISMATCH;
                 break;
             }