confile: config_haltsignal()

src/lxc/confile.c

@@ -1279,11 +1279,13 @@ static int sig_parse(const char *signame) {
 static int config_haltsignal(const char *key, const char *value,
 			     struct lxc_conf *lxc_conf)
 {
-	int sig_n = sig_parse(value);
+	int sig_n;
 
 	if (config_value_empty(value))
 		return 0;
 
+	sig_n = sig_parse(value);
+
 	if (sig_n < 0)
 		return -1;
 	lxc_conf->haltsignal = sig_n;