openwrt/package/utils/busybox/patches/201-udhcpc_changed_ifindex....

16 lines
653 B
Diff

--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1384,6 +1384,12 @@ int udhcpc_main(int argc UNUSED_PARAM, c
struct pollfd pfds[2];
struct dhcp_packet packet;
+ /* When running on a bridge, the ifindex may have changed (e.g. if
+ * member interfaces were added/removed or if the status of the
+ * bridge changed).
+ * Workaround: refresh it here before processing the next packet */
+ udhcp_read_interface(client_data.interface, &client_data.ifindex, NULL, client_data.client_mac);
+
//bb_error_msg("sockfd:%d, listen_mode:%d", client_data.sockfd, client_data.listen_mode);
/* Was opening raw or udp socket here