From c6d63e9365a3c591e6451aeeb049c24de12649bf Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Sat, 27 Feb 2021 23:05:40 +0100
Subject: Windows: Block Windows from resizing system partition if it is
 encrypted. This avoid issues during Windows Upgrade that sometimes resizes
 system partition which create problems if it is encrypted by VeraCrypt

---
 src/Driver/DriveFilter.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/Driver/DriveFilter.c')

diff --git a/src/Driver/DriveFilter.c b/src/Driver/DriveFilter.c
index 740ce949..4afb692b 100644
--- a/src/Driver/DriveFilter.c
+++ b/src/Driver/DriveFilter.c
@@ -1046,6 +1046,11 @@ static NTSTATUS DispatchControl (PDEVICE_OBJECT DeviceObject, PIRP Irp, DriveFil
 				}
 			}
 			break;
+		case IOCTL_DISK_GROW_PARTITION:
+			Dump ("DriverFilter-DispatchControl: IOCTL_DISK_GROW_PARTITION blocked\n");
+			IoReleaseRemoveLock (&Extension->Queue.RemoveLock, Irp);
+			return TCCompleteDiskIrp (Irp, STATUS_UNSUCCESSFUL, 0);
+			break;
 	}
 
 	status = PassIrp (Extension->LowerDeviceObject, Irp);
-- 
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