cleancleanup, prevent null deref.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6720 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/endpoints/mod_portaudio/mod_portaudio.c b/src/mod/endpoints/mod_portaudio/mod_portaudio.c
index 64bb70029fd665cf19f1dd420f342c5fc107aa33..e382d73b1276325f4fe5699b036b79fab836f31e 100644 (file)
--- a/src/mod/endpoints/mod_portaudio/mod_portaudio.c
+++ b/src/mod/endpoints/mod_portaudio/mod_portaudio.c
@@ -1730,6 +1730,11 @@ SWITCH_STANDARD_API(pa_cmd)
                goto done;
        }
 
+       if (!argv[0]) {
+               stream->write_function(stream, "Unknown Command\n");
+               goto done;
+       }
+
        if (!strcasecmp(argv[0], "call")) {
                func = place_call;
        } else if (!strcasecmp(argv[0], "help")) {