MultibyteCodec_Decode() catchs PyUnicode_AS_UNICODE() failures
diff --git a/Modules/cjkcodecs/multibytecodec.c b/Modules/cjkcodecs/multibytecodec.c
index 1d6db95..ded9188 100644
--- a/Modules/cjkcodecs/multibytecodec.c
+++ b/Modules/cjkcodecs/multibytecodec.c
@@ -643,6 +643,8 @@
if (buf.outobj == NULL)
goto errorexit;
buf.outbuf = PyUnicode_AS_UNICODE(buf.outobj);
+ if (buf.outbuf == NULL)
+ goto errorexit;
buf.outbuf_end = buf.outbuf + PyUnicode_GET_SIZE(buf.outobj);
if (self->codec->decinit != NULL &&