01/01: [NTOSKRNL] Properly delete VACB in CcRosCreateVacb() when mapping fails. Spotted by Thomas.

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=ffd524275e721a192b91cb...

commit ffd524275e721a192b91cbc65819ee377043eb79
Author:     Pierre Schweitzer [e-mail]
AuthorDate: Sun Mar 25 18:26:32 2018 +0200
Commit:     Pierre Schweitzer [e-mail]
CommitDate: Sun Mar 25 18:27:19 2018 +0200

[NTOSKRNL] Properly delete VACB in CcRosCreateVacb() when mapping fails.
    Spotted by Thomas.

CORE-14478
    CORE-14502
---
 ntoskrnl/cc/view.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/ntoskrnl/cc/view.c b/ntoskrnl/cc/view.c
index 9cc45bdb3e..ba87c5e510 100644
--- a/ntoskrnl/cc/view.c
+++ b/ntoskrnl/cc/view.c
@@ -831,18 +831,20 @@ CcRosCreateVacb (
     }
 #endif

+    /* Reference it to allow release */
+    CcRosVacbIncRefCount(current);
+
     Status = CcRosMapVacbInKernelSpace(current);
     if (!NT_SUCCESS(Status))
     {
         RemoveEntryList(&current->CacheMapVacbListEntry);
         RemoveEntryList(&current->VacbLruListEntry);
-        CcRosReleaseVacbLock(current);
+        CcRosReleaseVacb(SharedCacheMap, current, FALSE,
+                         FALSE, FALSE);
+        CcRosVacbDecRefCount(current);
         ExFreeToNPagedLookasideList(&VacbLookasideList, current);
     }

-    /* Reference it to allow release */
-    CcRosVacbIncRefCount(current);
-
     return Status;
 }