Check return result from Py_InitModule*().  This API can fail.

Probably should be backported.
diff --git a/Modules/linuxaudiodev.c b/Modules/linuxaudiodev.c
index a5ff367..f6d5b7d 100644
--- a/Modules/linuxaudiodev.c
+++ b/Modules/linuxaudiodev.c
@@ -491,6 +491,8 @@
     PyObject *m;
   
     m = Py_InitModule("linuxaudiodev", linuxaudiodev_methods);
+    if (m == NULL)
+	return;
 
     LinuxAudioError = PyErr_NewException("linuxaudiodev.error", NULL, NULL);
     if (LinuxAudioError)