[PATCH v3 2/4] win32u: Avoid reallocating rawinput device array with zero size.

[Rémi Bernon]

From: R��mi Bernon

It actually frees the pointer.
---
 dlls/win32u/rawinput.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/win32u/rawinput.c b/dlls/win32u/rawinput.c
index 8e3f3ace15a..44951522442 100644
--- 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 );