openwrtv4/package/utils/busybox/patches/201-udhcpc_changed_ifindex.patch
Magnus Kroken 89f8a01dab busybox: update to 1.27.2
Refresh patches, delete patches backported from upstream.

This fixes ntpd sync issues (ntpd would not sync if the first provided
peer address was unreachable).

Signed-off-by: Magnus Kroken <mkroken@gmail.com>
Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
2017-08-30 22:34:41 +02:00

15 lines
680 B
Diff

--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1442,6 +1442,12 @@ int udhcpc_main(int argc UNUSED_PARAM, c
/* silence "uninitialized!" warning */
unsigned timestamp_before_wait = timestamp_before_wait;
+ /* 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_config.interface, &client_config.ifindex, NULL, client_config.client_mac);
+
//bb_error_msg("sockfd:%d, listen_mode:%d", sockfd, listen_mode);
/* Was opening raw or udp socket here