From: short <>
Date: Thu, 27 Mar 2003 11:33:07 +0000 (+0000)
Subject: MmUnmapLockedPages(): +Support for MmBuildMdlForNonPagedPool() MDLs
X-Git-Tag: captive-0_2~73
X-Git-Url: http://git.jankratochvil.net/?a=commitdiff_plain;h=c95af78b1dfc65c9dccf42fd86ecbaeb38749d08;p=captive.git

MmUnmapLockedPages(): +Support for MmBuildMdlForNonPagedPool() MDLs
---

diff --git a/src/libcaptive/mm/mdl.c b/src/libcaptive/mm/mdl.c
index 96bad98..5e9f1f4 100644
--- a/src/libcaptive/mm/mdl.c
+++ b/src/libcaptive/mm/mdl.c
@@ -105,11 +105,17 @@ VOID MmUnmapLockedPages(PVOID BaseAddress,PMDL Mdl)
 {
 	g_return_if_fail(BaseAddress!=NULL);
 	g_return_if_fail(Mdl!=NULL);
-	g_return_if_fail(Mdl->MdlFlags&MDL_MAPPED_TO_SYSTEM_VA);
 	g_return_if_fail(BaseAddress==Mdl->MappedSystemVa);
 
+	/* No mapping is done for pages from MmBuildMdlForNonPagedPool(). */
+	if (Mdl->MdlFlags&MDL_SOURCE_IS_NONPAGED_POOL) {
+		g_return_if_fail(!(Mdl->MdlFlags&MDL_MAPPED_TO_SYSTEM_VA));
+		}
+	else {
+		g_return_if_fail(Mdl->MdlFlags&MDL_MAPPED_TO_SYSTEM_VA);
+		Mdl->MdlFlags&=~MDL_MAPPED_TO_SYSTEM_VA;
+		}
 	Mdl->MappedSystemVa=NULL;
-	Mdl->MdlFlags&=~MDL_MAPPED_TO_SYSTEM_VA;
 }
 
 /**