[reactos] 10/100: [NTOSKRNL] Use PSECTION struct where possible

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=defbf63416fc622bdfbbbe...

commit defbf63416fc622bdfbbbe8cb0283d559cbf84a9
Author:     Jérôme Gardou [e-mail]
AuthorDate: Fri Oct 23 16:39:15 2020 +0200
Commit:     Jérôme Gardou [e-mail]
CommitDate: Wed Feb 3 09:41:21 2021 +0100

[NTOSKRNL] Use PSECTION struct where possible
---
 ntoskrnl/include/internal/mm.h |  2 +-
 ntoskrnl/mm/ARM3/miarm.h       |  2 +-
 ntoskrnl/mm/ARM3/procsup.c     | 10 ++++------
 ntoskrnl/mm/ARM3/section.c     | 15 +++------------
 4 files changed, 9 insertions(+), 20 deletions(-)

diff --git a/ntoskrnl/include/internal/mm.h b/ntoskrnl/include/internal/mm.h
index 1fbe513524f..4ca7e6717aa 100644
--- a/ntoskrnl/include/internal/mm.h
+++ b/ntoskrnl/include/internal/mm.h
@@ -221,7 +221,7 @@ typedef struct _MEMORY_AREA
     {
         struct
         {
-            ROS_SECTION_OBJECT* Section;
+            PROS_SECTION_OBJECT Section;
             LARGE_INTEGER ViewOffset;
             PMM_SECTION_SEGMENT Segment;
             LIST_ENTRY RegionListHead;
diff --git a/ntoskrnl/mm/ARM3/miarm.h b/ntoskrnl/mm/ARM3/miarm.h
index ade2696cf1d..025cd6f6561 100644
--- a/ntoskrnl/mm/ARM3/miarm.h
+++ b/ntoskrnl/mm/ARM3/miarm.h
@@ -1071,7 +1071,7 @@ FORCEINLINE
 BOOLEAN
 MiIsRosSectionObject(IN PVOID Section)
 {
-    PROS_SECTION_OBJECT RosSection = Section;
+    PSECTION RosSection = Section;
     return RosSection->u.Flags.filler;
 }

diff --git a/ntoskrnl/mm/ARM3/procsup.c b/ntoskrnl/mm/ARM3/procsup.c
index a183f8a099f..eb8e68180d4 100644
--- a/ntoskrnl/mm/ARM3/procsup.c
+++ b/ntoskrnl/mm/ARM3/procsup.c
@@ -941,7 +941,6 @@ MmInitializeProcessAddressSpace(IN PEPROCESS Process,
     NTSTATUS Status = STATUS_SUCCESS;
     SIZE_T ViewSize = 0;
     PVOID ImageBase = 0;
-    PROS_SECTION_OBJECT SectionObject = Section;
     PMMPTE PointerPte;
     KIRQL OldIrql;
     PMMPDE PointerPde;
@@ -1048,10 +1047,11 @@ MmInitializeProcessAddressSpace(IN PEPROCESS Process,
 #endif

/* Check if there's a Section Object */
-    if (SectionObject)
+    if (Section)
     {
         /* Determine the image file name and save it to EPROCESS */
-        FileName = SectionObject->FileObject->FileName;
+        PFILE_OBJECT FileObject = MmGetFileObjectForSection(Section);
+        FileName = FileObject->FileName;
         Source = (PWCHAR)((PCHAR)FileName.Buffer + FileName.Length);
         if (FileName.Buffer)
         {
@@ -1083,9 +1083,7 @@ MmInitializeProcessAddressSpace(IN PEPROCESS Process,
         if (AuditName)
         {
             /* Setup the audit name */
-            Status = SeInitializeProcessAuditName(SectionObject->FileObject,
-                                                  FALSE,
-                                                  AuditName);
+            Status = SeInitializeProcessAuditName(FileObject, FALSE, AuditName);
             if (!NT_SUCCESS(Status))
             {
                 /* Fail */
diff --git a/ntoskrnl/mm/ARM3/section.c b/ntoskrnl/mm/ARM3/section.c
index bff71dfe81c..1090a8dfada 100644
--- a/ntoskrnl/mm/ARM3/section.c
+++ b/ntoskrnl/mm/ARM3/section.c
@@ -1831,19 +1831,10 @@ MmGetFileNameForSection(IN PVOID Section,
                         OUT POBJECT_NAME_INFORMATION *ModuleName)
 {
     PFILE_OBJECT FileObject;
+    PSECTION SectionObject = Section;

/* Make sure it's an image section */
-    if (MiIsRosSectionObject(Section) == FALSE)
-    {
-        /* Check ARM3 Section flag */
-        if (((PSECTION)Section)->u.Flags.Image == 0)
-        {
-            /* It's not, fail */
-            DPRINT1("Not an image section\n");
-            return STATUS_SECTION_NOT_IMAGE;
-        }
-    }
-    else if (!(((PROS_SECTION_OBJECT)Section)->u.Flags.Image))
+    if (SectionObject->u.Flags.Image == 0)
     {
         /* It's not, fail */
         DPRINT1("Not an image section\n");
@@ -3594,7 +3585,7 @@ NtMapViewOfSection(IN HANDLE SectionHandle,
     PVOID SafeBaseAddress;
     LARGE_INTEGER SafeSectionOffset;
     SIZE_T SafeViewSize;
-    PROS_SECTION_OBJECT Section;
+    PSECTION Section;
     PEPROCESS Process;
     NTSTATUS Status;
     ACCESS_MASK DesiredAccess;