From: Amine Khaldi <amine.khaldi@reactos.org>
Date: Fri, 5 Jun 2015 17:57:28 +0000 (+0000)
Subject: [NTOSKRNL] Fix NtQuerySystemInformation not returning correct ResultLength for System... 
X-Git-Tag: backups/colins-printing-for-freedom@73041~15^2~198
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=b6e76c0f6be3eab96d801d7e18e9a038d90d6fae

[NTOSKRNL] Fix NtQuerySystemInformation not returning correct ResultLength for SystemFileCacheInformation. Fixes tons of ntdll:info tests. Brought to you by Tetsui Ohkubo. CORE-9757

svn path=/trunk/; revision=68024
---

diff --git a/reactos/ntoskrnl/ex/sysinfo.c b/reactos/ntoskrnl/ex/sysinfo.c
index d2bbac4815a..5a00c12d478 100644
--- a/reactos/ntoskrnl/ex/sysinfo.c
+++ b/reactos/ntoskrnl/ex/sysinfo.c
@@ -1291,9 +1291,10 @@ QSI_DEF(SystemFileCacheInformation)
 {
     SYSTEM_FILECACHE_INFORMATION *Sci = (SYSTEM_FILECACHE_INFORMATION *) Buffer;
 
-    if (Size < sizeof(SYSTEM_FILECACHE_INFORMATION))
+    *ReqSize = sizeof(SYSTEM_FILECACHE_INFORMATION);
+
+    if (Size < *ReqSize)
     {
-        *ReqSize = sizeof(SYSTEM_FILECACHE_INFORMATION);
         return STATUS_INFO_LENGTH_MISMATCH;
     }