This caused crashes in pcsx2 with the bundled cubeb, and odds are
it could could problems here too when using ALSA.

https://github.com/mozilla/cubeb/pull/829
--- a/src/cubeb.c
+++ b/src/cubeb.c
@@ -741,4 +741,8 @@
 
   rv = context->ops->enumerate_devices(context, devtype, collection);
+  if (rv != CUBEB_OK) {
+    collection->device = NULL;
+    collection->count = 0;
+  }
 
   if (cubeb_log_get_callback()) {