fix segfault on incorrect usage of originate api command (jira MODAPP-2)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4378 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index 71d7ef735fd0d0121e632f5712e170339f17cf65..9aebcb82ebc8e8cf862c5301289096508d4cf215 100644 (file)
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -522,10 +522,10 @@ static switch_status_t originate_function(char *cmd, switch_core_session_t *ises
        assert(caller_channel != NULL);
        switch_channel_clear_state_handler(caller_channel, NULL);
 
-       if (*exten == '&') {
+       if (*exten == '&'  && *(exten + 1)) {
                switch_caller_extension_t *extension = NULL;
                char *app_name = switch_core_session_strdup(caller_session, (exten + 1));
-               char *arg, *e;
+               char *arg = NULL, *e;
 
                if ((e = strchr(app_name, ')'))) {
                        *e = '\0';