[PATCH 3/4] ntoskrnl.exe: Implement IRP_MN_QUERY_DEVICE_RELATIONS for root-enumerated devices.

Zebediah Figura z.figura12 at gmail.com
Wed Nov 6 00:13:16 CST 2019


Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
 dlls/ntoskrnl.exe/pnp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/ntoskrnl.exe/pnp.c b/dlls/ntoskrnl.exe/pnp.c
index fd9dfe5ed6..0e0471a446 100644
--- a/dlls/ntoskrnl.exe/pnp.c
+++ b/dlls/ntoskrnl.exe/pnp.c
@@ -928,6 +928,9 @@ static NTSTATUS WINAPI pnp_manager_device_pnp( DEVICE_OBJECT *device, IRP *irp )
 
     switch (stack->MinorFunction)
     {
+    case IRP_MN_QUERY_DEVICE_RELATIONS:
+        /* The FDO above already handled this, so return the same status. */
+        break;
     case IRP_MN_START_DEVICE:
     case IRP_MN_SURPRISE_REMOVAL:
     case IRP_MN_REMOVE_DEVICE:
-- 
2.23.0




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