Deal appropriately with ParseArgv returning NULL

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2963 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/mgt_param.c

@@ -324,6 +324,11 @@ tweak_listen_address(struct cli *cli, const struct parspec *par, const char *arg
 	}
 
 	av = ParseArgv(arg, 0);
+	if (av == NULL) {
+		cli_out(cli, "Parse error: out of memory");
+		cli_result(cli, CLIS_PARAM);
+		return;
+	}
 	if (av[0] != NULL) {
 		cli_out(cli, "Parse error: %s", av[0]);
 		cli_result(cli, CLIS_PARAM);

bin/varnishd/varnishd.c

@@ -115,6 +115,7 @@ setup_storage(const char *spec)
 	int ac;
 
 	av = ParseArgv(spec, ARGV_COMMA);
+	AN(av);
 
 	if (av[0] != NULL) 
 		ARGV_ERR("%s\n", av[0]);
@@ -153,6 +154,7 @@ setup_hash(const char *h_arg)
 	struct hash_slinger *hp;
 
 	av = ParseArgv(h_arg, ARGV_COMMA);
+	AN(av);
 
 	if (av[0] != NULL) 
 		ARGV_ERR("%s\n", av[0]);