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-rw-r--r--package/busybox/patches/243-udhcpc_changed_ifindex.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/package/busybox/patches/243-udhcpc_changed_ifindex.patch b/package/busybox/patches/243-udhcpc_changed_ifindex.patch
new file mode 100644
index 0000000000..3a9517418f
--- /dev/null
+++ b/package/busybox/patches/243-udhcpc_changed_ifindex.patch
@@ -0,0 +1,17 @@
+Index: busybox-1.4.2/networking/udhcp/dhcpc.c
+===================================================================
+--- busybox-1.4.2.orig/networking/udhcp/dhcpc.c 2007-07-18 10:07:20.161035443 +0200
++++ busybox-1.4.2/networking/udhcp/dhcpc.c 2007-07-18 10:09:15.515609124 +0200
+@@ -273,6 +273,12 @@
+ tv.tv_sec = timeout - uptime();
+ tv.tv_usec = 0;
+
++ /* 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 && fd < 0) {
+ if (listen_mode == LISTEN_KERNEL)
+ fd = listen_socket(INADDR_ANY, CLIENT_PORT, client_config.interface);