[NTOSKRNL]

NtQuerySystemInformation: Return ResultLength only in case of success.

svn path=/trunk/; revision=68346

diff --git a/reactos/ntoskrnl/ex/sysinfo.c b/reactos/ntoskrnl/ex/sysinfo.c
index b77e0a1..6d99e0a 100644 (file)
--- a/reactos/ntoskrnl/ex/sysinfo.c
+++ b/reactos/ntoskrnl/ex/sysinfo.c
@@ -2440,7 +2440,7 @@ NtQuerySystemInformation(IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
                                                             &ResultLength);
 
             /* Save the result length to the caller */
                                                             &ResultLength);
 
             /* Save the result length to the caller */

-            if (UnsafeResultLength)
+            if (NT_SUCCESS(FStatus) && UnsafeResultLength)

                 *UnsafeResultLength = ResultLength;
         }
     }
                 *UnsafeResultLength = ResultLength;
         }
     }