Zebediah Figura : ntoskrnl: Dereference the device children in IoDeleteDevice().
Alexandre Julliard
julliard at winehq.org
Mon Aug 23 16:24:13 CDT 2021
Module: wine
Branch: master
Commit: e56e4f97a4eab649b06cc4241ee0a9a4f968e45c
URL: https://source.winehq.org/git/wine.git/?a=commit;h=e56e4f97a4eab649b06cc4241ee0a9a4f968e45c
Author: Zebediah Figura <zfigura at codeweavers.com>
Date: Fri Aug 20 19:01:24 2021 -0500
ntoskrnl: Dereference the device children in IoDeleteDevice().
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntoskrnl.exe/ntoskrnl.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 7f5ca846db2..fb3f9a23152 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -1628,9 +1628,17 @@ void WINAPI IoDeleteDevice( DEVICE_OBJECT *device )
{
struct wine_device *wine_device = CONTAINING_RECORD(device, struct wine_device, device_obj);
DEVICE_OBJECT **prev = &device->DriverObject->DeviceObject;
+ DEVICE_RELATIONS *children;
+ unsigned int i;
+
while (*prev && *prev != device) prev = &(*prev)->NextDevice;
if (*prev) *prev = (*prev)->NextDevice;
- ExFreePool( wine_device->children );
+ if ((children = wine_device->children))
+ {
+ for (i = 0; i < children->Count; ++i)
+ ObDereferenceObject( children->Objects[i] );
+ ExFreePool( children );
+ }
ObDereferenceObject( device );
}
}
More information about the wine-cvs
mailing list