win32u: Avoid reallocating rawinput device array with zero size.

It actually frees the pointer.

win32u: Avoid reallocating rawinput device array with zero size.
b5ed5389 · Rémi Bernon · Alexandre Julliard · 28aa321f · b5ed5389
Commit b5ed5389 authored Aug 05, 2022 by Rémi Bernon Committed by Alexandre Julliard Aug 08, 2022
Hide whitespace changes
Inline Side-by-side

Showing with 6 additions and 0 deletions

rawinput.c dlls/win32u/rawinput.c +6 -0

No files found.
--- a/dlls/win32u/rawinput.c
+++ b/dlls/win32u/rawinput.c
@@ -856,6 +856,12 @@ BOOL WINAPI NtUserRegisterRawInputDevices( const RAWINPUTDEVICE *devices, UINT d

    pthread_mutex_lock( &rawinput_mutex );

+    if (!registered_device_count && !device_count)
+    {
+        pthread_mutex_unlock( &rawinput_mutex );
+        return TRUE;
+    }
+
    size = (SIZE_T)device_size * (registered_device_count + device_count);
    registered_devices = realloc( registered_devices, size );
    if (registered_devices) for (i = 0; i < device_count; ++i) register_rawinput_device( devices + i );