Arkadiusz Hiler : ntoskrnl.exe: Use correct name format when sending WM_DEVICECHANGE.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f69c8f018188af49d5a3916f7bb7e3ab984fd3ec
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=f69c8f018188af49d5a3916f7...

Author: Arkadiusz Hiler <ahiler(a)codeweavers.com>
Date:   Tue Mar 23 20:10:10 2021 +0200

ntoskrnl.exe: Use correct name format when sending WM_DEVICECHANGE.

This fixes controller hotplug with FarCry Primal.

Signed-off-by: Arkadiusz Hiler <ahiler(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/ntoskrnl.exe/pnp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/ntoskrnl.exe/pnp.c b/dlls/ntoskrnl.exe/pnp.c
index 4a1fbf001a4..6652be73c47 100644
--- a/dlls/ntoskrnl.exe/pnp.c
+++ b/dlls/ntoskrnl.exe/pnp.c
@@ -776,6 +776,7 @@ NTSTATUS WINAPI IoSetDeviceInterfaceState( UNICODE_STRING *name, BOOLEAN enable
         broadcast->dbcc_reserved   = 0;
         broadcast->dbcc_classguid  = iface->interface_class;
         lstrcpynW( broadcast->dbcc_name, name->Buffer, namelen + 1 );
+        if (namelen > 1) broadcast->dbcc_name[1] = '\\';
         send_devicechange( enable ? DBT_DEVICEARRIVAL : DBT_DEVICEREMOVECOMPLETE, broadcast, len );
         heap_free( broadcast );
     }