Jefferson Carpenter : ntoskrnl.exe: Set reserved to 0 in pnp WM_DEVICECHANGE broadcast.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: c553517e08cdceccbc398ed547def8619935c57f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=c553517e08cdceccbc398ed54...

Author: Jefferson Carpenter 
Date:   Tue Jun 30 17:10:00 2020 +0000

ntoskrnl.exe: Set reserved to 0 in pnp WM_DEVICECHANGE broadcast.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49488
Signed-off-by: Jefferson Carpenter 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit ab6f8ba0d1ad6d3f825f22b2153dc5969dbd97a2)
Signed-off-by: Michael Stefaniuc

---

dlls/ntoskrnl.exe/pnp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/ntoskrnl.exe/pnp.c b/dlls/ntoskrnl.exe/pnp.c
index 863e1d9d538..7ac351048ad 100644
--- a/dlls/ntoskrnl.exe/pnp.c
+++ b/dlls/ntoskrnl.exe/pnp.c
@@ -752,9 +752,10 @@ NTSTATUS WINAPI IoSetDeviceInterfaceState( UNICODE_STRING *name, BOOLEAN enable

if ((broadcast = heap_alloc( len )))
     {
-        broadcast->dbcc_size = len;
+        broadcast->dbcc_size       = len;
         broadcast->dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
-        broadcast->dbcc_classguid = iface->interface_class;
+        broadcast->dbcc_reserved   = 0;
+        broadcast->dbcc_classguid  = iface->interface_class;
         lstrcpynW( broadcast->dbcc_name, name->Buffer, namelen + 1 );
         BroadcastSystemMessageW( BSF_FORCEIFHUNG | BSF_QUERY, NULL, WM_DEVICECHANGE,
             enable ? DBT_DEVICEARRIVAL : DBT_DEVICEREMOVECOMPLETE, (LPARAM)broadcast );