[ros-diffs] [reactos] 04/11: [VBEMP] Fail HwInitialize (ie IRP_MJ_CREATE) when /NOVESA switch is present

[Hervé Poussineau]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=3379de392489da92ed63f…

commit 3379de392489da92ed63f84bba93a96e03a7ef9e
Author:     Hervé Poussineau <hpoussin(a)reactos.org>
AuthorDate: Wed Oct 13 08:02:01 2021 +0200
Commit:     Hervé Poussineau <hpoussin(a)reactos.org>
CommitDate: Thu Oct 14 23:39:30 2021 +0200

    [VBEMP] Fail HwInitialize (ie IRP_MJ_CREATE) when /NOVESA switch is present
    
    In that case, we want a simple VGA driver to drive the graphic adapter.
    
    CORE-17789
---
 win32ss/drivers/miniport/vbe/vbemp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/win32ss/drivers/miniport/vbe/vbemp.c b/win32ss/drivers/miniport/vbe/vbemp.c
index 14eaac91061..68692647f6e 100644
--- a/win32ss/drivers/miniport/vbe/vbemp.c
+++ b/win32ss/drivers/miniport/vbe/vbemp.c
@@ -180,6 +180,13 @@ VBEInitialize(PVOID HwDeviceExtension)
    ULONG CurrentMode;
    PVBE_MODEINFO VbeModeInfo;
 
+   if (VideoPortIsNoVesa())
+   {
+      VBEDeviceExtension->Int10Interface.Version = 0;
+      VBEDeviceExtension->Int10Interface.Size = 0;
+      return FALSE;
+   }
+
    /*
     * Get the Int 10 interface that we will use for allocating real
     * mode memory and calling the video BIOS.