@@ -262,9 +262,9 @@ static int mmsh_open(URLContext *h, const char *uri, int flags)

     // close the socket and then reopen it for sending the second play request.

     ffurl_close(mms->mms_hd);

     memset(headers, 0, sizeof(headers));

-    if (ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ,

-                    &h->interrupt_callback) < 0) {

-        return AVERROR(EIO);

+    if ((err = ffurl_alloc(&mms->mms_hd, httpname, AVIO_FLAG_READ,

+                           &h->interrupt_callback)) < 0) {

+        goto fail;

     }

     stream_selection = av_mallocz(mms->stream_num * 19 + 1);

     if (!stream_selection)