--- OpenNI-1e9524ffd759841789dadb4ca19fb5d4ac5820e7/Source/OpenNI/Linux/LinuxUSBDevice.cpp~	2013-11-12 18:30:03.000000000 +0200
+++ OpenNI-1e9524ffd759841789dadb4ca19fb5d4ac5820e7/Source/OpenNI/Linux/LinuxUSBDevice.cpp	2020-12-26 20:47:23.658545555 +0200
@@ -1161,6 +1161,7 @@
 	aio_cancel(pDevice->endpoints[nIndex].fd, NULL);
 	pDevice->endpoints[nIndex].nQueued = 0;
 	pDevice->endpoints[nIndex].nFirst = 0;
+	return nRetVal;
 }
 
 #endif // XN_PLATFORM == XN_PLATFORM_LINUX_ARM