https://git.reactos.org/?p=reactos.git;a=commitdiff;h=2362e0faae65397fb50c7072f83a8b5f8cfe2282

commit 2362e0faae65397fb50c7072f83a8b5f8cfe2282
Author:     Pierre Schweitzer <[email protected]>
AuthorDate: Thu Jan 25 21:56:19 2018 +0100
Commit:     Pierre Schweitzer <[email protected]>
CommitDate: Thu Jan 25 22:00:20 2018 +0100

    [NTOSKRNL] Allow pinned dirty VACB to be lazy written.
    This is an addition to 07e6e9c.
    Also, fix a cppcheck warning (so minor!).
    
    CORE-14249
---
 ntoskrnl/cc/view.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ntoskrnl/cc/view.c b/ntoskrnl/cc/view.c
index 6f4457f5bf..e8da9a51c8 100644
--- a/ntoskrnl/cc/view.c
+++ b/ntoskrnl/cc/view.c
@@ -250,7 +250,8 @@ CcRosFlushDirtyPages (
         ASSERT(current->Dirty);
 
         /* One reference is added above */
-        if (current->ReferenceCount > 2)
+        if ((current->ReferenceCount > 2 && current->PinCount == 0) ||
+            (current->ReferenceCount > 3 && current->PinCount > 1))
         {
             CcRosReleaseVacbLock(current);
             current->SharedCacheMap->Callbacks->ReleaseFromLazyWrite(
@@ -883,7 +884,7 @@ CcRosCreateVacb (
 #if MI_TRACE_PFNS
     if ((SharedCacheMap->FileObject) && 
(SharedCacheMap->FileObject->FileName.Buffer))
     {
-        PWCHAR pos = NULL;
+        PWCHAR pos;
         ULONG len = 0;
         pos = wcsrchr(SharedCacheMap->FileObject->FileName.Buffer, '\\');
         if (pos)

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