dhcp: Fix cleanup

__connman_dhcp_cleanup() is called early in the shutdown process
(before device or network).

diff --git a/src/dhcp.c b/src/dhcp.c
index 20fc599..8092db1 100644 (file)
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -461,6 +461,9 @@ void __connman_dhcp_stop(struct connman_network *network)
 {
        DBG("");
 
+       if (network_table == NULL)
+               return;
+
        g_hash_table_remove(network_table, network);
 }
 
@@ -479,4 +482,5 @@ void __connman_dhcp_cleanup(void)
        DBG("");
 
        g_hash_table_destroy(network_table);
+       network_table = NULL;
 }