[reactos] 02/03: [NTOS:CM] In CmpParseKey(), do not assert but instead correctly return failure if CmpHandleExitNode() doesn't return a valid node, or CmpCreateKeyControlBlock() fails.

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=884db2ea06f1c961d2efcc...

commit 884db2ea06f1c961d2efcc13d477bc76ea0f7f50
Author:     Hermès Bélusca-Maïto [e-mail]
AuthorDate: Mon Apr 22 21:09:10 2019 +0200
Commit:     Hermès Bélusca-Maïto [e-mail]
CommitDate: Mon Apr 22 21:09:10 2019 +0200

[NTOS:CM] In CmpParseKey(), do not assert but instead correctly return failure if CmpHandleExitNode() doesn't return a valid node, or CmpCreateKeyControlBlock() fails.
---
 ntoskrnl/config/cmparse.c | 35 ++++++++++++++++++++++++++++-------
 1 file changed, 28 insertions(+), 7 deletions(-)

diff --git a/ntoskrnl/config/cmparse.c b/ntoskrnl/config/cmparse.c
index fe25e252bd..872a79619a 100644
--- a/ntoskrnl/config/cmparse.c
+++ b/ntoskrnl/config/cmparse.c
@@ -960,7 +960,7 @@ CmpHandleExitNode(IN OUT PHHIVE *Hive,
     {
         /* Release it */
         ASSERT(*ReleaseHive != NULL);
-        HvReleaseCell((*ReleaseHive), *ReleaseCell);
+        HvReleaseCell(*ReleaseHive, *ReleaseCell);
     }

/* Get the link references */
@@ -968,7 +968,7 @@ CmpHandleExitNode(IN OUT PHHIVE *Hive,
     *Cell = (*KeyNode)->ChildHiveReference.KeyCell;

/* Get the new node */
-    *KeyNode = (PCM_KEY_NODE)HvGetCell((*Hive), *Cell);
+    *KeyNode = (PCM_KEY_NODE)HvGetCell(*Hive, *Cell);
     if (*KeyNode)
     {
         /* Set the new release values */
@@ -1191,7 +1191,12 @@ CmpParseKey(IN PVOID ParseObject,
                                               &Node,
                                               &HiveToRelease,
                                               &CellToRelease);
-                            if (!Node) ASSERT(FALSE);
+                            if (!Node)
+                            {
+                                /* Fail */
+                                Status = STATUS_INSUFFICIENT_RESOURCES;
+                                break;
+                            }
                         }

/* Do the open */
@@ -1232,7 +1237,12 @@ CmpParseKey(IN PVOID ParseObject,
                                           &Node,
                                           &HiveToRelease,
                                           &CellToRelease);
-                        if (!Node) ASSERT(FALSE);
+                        if (!Node)
+                        {
+                            /* Fail */
+                            Status = STATUS_INSUFFICIENT_RESOURCES;
+                            break;
+                        }
                     }

/* Create a KCB for this key */
@@ -1242,7 +1252,12 @@ CmpParseKey(IN PVOID ParseObject,
                                                    ParentKcb,
                                                    0,
                                                    &NextName);
-                    if (!Kcb) ASSERT(FALSE);
+                    if (!Kcb)
+                    {
+                        /* Fail */
+                        Status = STATUS_INSUFFICIENT_RESOURCES;
+                        break;
+                    }

/* Dereference the parent and set the new one */
                     CmpDereferenceKeyControlBlock(ParentKcb);
@@ -1353,7 +1368,12 @@ CmpParseKey(IN PVOID ParseObject,
                                   &Node,
                                   &HiveToRelease,
                                   &CellToRelease);
-                if (!Node) ASSERT(FALSE);
+                if (!Node)
+                {
+                    /* Fail */
+                    Status = STATUS_INSUFFICIENT_RESOURCES;
+                    break;
+                }
             }

/* Do the open */
@@ -1386,7 +1406,8 @@ CmpParseKey(IN PVOID ParseObject,

/* Dereference the parent if it exists */
 Quickie:
-    if (ParentKcb) CmpDereferenceKeyControlBlock(ParentKcb);
+    if (ParentKcb)
+        CmpDereferenceKeyControlBlock(ParentKcb);

/* Unlock the registry */
     CmpUnlockRegistry();