winebus.sys: Don't do anything in iohid_driver_unload if iohid was not initialized.

Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

winebus.sys: Don't do anything in iohid_driver_unload if iohid was not initialized.
485aed9f · Piotr Caban · Alexandre Julliard · ef59d2d1 · 485aed9f
Commit 485aed9f authored Sep 27, 2019 by Piotr Caban Committed by Alexandre Julliard Sep 27, 2019
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bus_iohid.c dlls/winebus.sys/bus_iohid.c +4 -0

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--- a/dlls/winebus.sys/bus_iohid.c
+++ b/dlls/winebus.sys/bus_iohid.c
@@ -416,6 +416,10 @@ NTSTATUS iohid_driver_init(void)
 void iohid_driver_unload( void )
 {
    TRACE("Unloading Driver\n");
+
+    if (!run_loop_handle)
+        return;
+
    IOHIDManagerUnscheduleFromRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
    CFRunLoopStop(run_loop);
    WaitForSingleObject(run_loop_handle, INFINITE);