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openwrt-xburst/package/busybox/patches/243-udhcpc_changed_ifindex.patch
nico 396dbf68b1 [package] busybox: update to v1.12.4 (partially closes: #4279)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16053 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-05-25 13:52:31 +00:00

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Diff

--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -320,6 +320,12 @@ int udhcpc_main(int argc UNUSED_PARAM, c
for (;;) {
unsigned 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 */
+ read_interface(client_config.interface, &client_config.ifindex, NULL, client_config.arp);
+
if (listen_mode != LISTEN_NONE && sockfd < 0) {
if (listen_mode == LISTEN_KERNEL)
sockfd = listen_socket(/*INADDR_ANY,*/ CLIENT_PORT, client_config.interface);