Index: iptables-save.c
===================================================================
--- iptables-save.c	(révision 7568)
+++ iptables-save.c	(copie de travail)
@@ -35,6 +35,7 @@
 static int for_each_table(int (*func)(const char *tablename))
 {
 	int ret = 1;
+	unsigned int count = 0;
 	FILE *procfile = NULL;
 	char tablename[IPT_TABLE_MAXNAMELEN+1];
 
@@ -51,8 +52,13 @@
 				   tablename);
 		tablename[strlen(tablename) - 1] = '\0';
 		ret &= func(tablename);
+		count += 1;
 	}
 
+	if (!count)
+		exit_error(OTHER_PROBLEM,
+			"/proc/net/ip_tables_names is empty\n",
+			tablename);
 	return ret;
 }
 
Index: ip6tables-save.c
===================================================================
--- ip6tables-save.c	(révision 7568)
+++ ip6tables-save.c	(copie de travail)
@@ -37,6 +37,7 @@
 static int for_each_table(int (*func)(const char *tablename))
 {
 	int ret = 1;
+	unsigned int count = 0;
 	FILE *procfile = NULL;
 	char tablename[IP6T_TABLE_MAXNAMELEN+1];
 
@@ -53,8 +54,13 @@
 				   tablename);
 		tablename[strlen(tablename) - 1] = '\0';
 		ret &= func(tablename);
+		count += 1;
 	}
 
+	if (!count)
+		exit_error(OTHER_PROBLEM,
+			"/proc/net/ip6_tables_names is empty\n",
+			tablename);
 	return ret;
 }