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-rw-r--r--ppapi/proxy/ppb_audio_proxy.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/ppapi/proxy/ppb_audio_proxy.cc b/ppapi/proxy/ppb_audio_proxy.cc
index a5bf668..0c4ddc4 100644
--- a/ppapi/proxy/ppb_audio_proxy.cc
+++ b/ppapi/proxy/ppb_audio_proxy.cc
@@ -139,6 +139,9 @@ PP_Resource PPB_Audio_Proxy::CreateProxyResource(
if (config.failed())
return 0;
+ if (!audio_callback)
+ return 0;
+
HostResource result;
dispatcher->Send(new PpapiHostMsg_PPBAudio_Create(
API_ID_PPB_AUDIO, instance_id,