Rémi Bernon : hidclass.sys: Make sure a desktop is created for the driver process.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5225aabd07010aa9fb11f7c490d63046ff178da5
URL:    https://gitlab.winehq.org/wine/wine/-/commit/5225aabd07010aa9fb11f7c490d6304...

Author: Rémi Bernon <rbernon(a)codeweavers.com>
Date:   Mon Dec 19 11:39:38 2022 +0100

hidclass.sys: Make sure a desktop is created for the driver process.

This was previously automatically done when user32 was loaded, but since
the move of __wine_send_input to win32u, we do not need to load it any
more. Make sure we have a desktop or WM_INPUT messages won't be sent by
wineserver.

---

 dlls/hidclass.sys/pnp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/hidclass.sys/pnp.c b/dlls/hidclass.sys/pnp.c
index 46b6e803465..c0e2a874788 100644
--- a/dlls/hidclass.sys/pnp.c
+++ b/dlls/hidclass.sys/pnp.c
@@ -599,6 +599,10 @@ NTSTATUS WINAPI HidRegisterMinidriver(HID_MINIDRIVER_REGISTRATION *registration)
 {
     minidriver *driver;
 
+    /* make sure we have a window station and a desktop, we need one to send input */
+    if (!GetProcessWindowStation())
+        return STATUS_INVALID_PARAMETER;
+
     if (!(driver = calloc(1, sizeof(*driver))))
         return STATUS_NO_MEMORY;