Zebediah Figura : ntoskrnl: Forbid unloading a driver with running root PnP devices.
Alexandre Julliard
julliard at winehq.org
Wed Apr 14 16:01:19 CDT 2021
Module: wine
Branch: master
Commit: 364df14842bc1267b2de16bdc1eece9d34d910e6
URL: https://source.winehq.org/git/wine.git/?a=commit;h=364df14842bc1267b2de16bdc1eece9d34d910e6
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Wed Apr 14 09:39:58 2021 -0500
ntoskrnl: Forbid unloading a driver with running root PnP devices.
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntoskrnl.exe/ntoskrnl.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index bb9f4bf5259..0580231d8e3 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3842,6 +3842,7 @@ error:
NTSTATUS WINAPI ZwUnloadDriver( const UNICODE_STRING *service_name )
{
struct wine_rb_entry *entry;
+ struct wine_driver *driver;
UNICODE_STRING drv_name;
TRACE( "(%s)\n", debugstr_us(service_name) );
@@ -3856,6 +3857,13 @@ NTSTATUS WINAPI ZwUnloadDriver( const UNICODE_STRING *service_name )
ERR( "failed to locate driver %s\n", debugstr_us(service_name) );
return STATUS_OBJECT_NAME_NOT_FOUND;
}
+ driver = WINE_RB_ENTRY_VALUE( entry, struct wine_driver, entry );
+
+ if (!list_empty( &driver->root_pnp_devices ))
+ {
+ ERR( "cannot unload driver %s which still has running PnP devices\n", debugstr_us(service_name) );
+ return STATUS_UNSUCCESSFUL;
+ }
unload_driver( entry, NULL );
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