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-rw-r--r--package/utils/busybox/patches/243-udhcpc_changed_ifindex.patch15
1 files changed, 15 insertions, 0 deletions
diff --git a/package/utils/busybox/patches/243-udhcpc_changed_ifindex.patch b/package/utils/busybox/patches/243-udhcpc_changed_ifindex.patch
new file mode 100644
index 0000000000..cb0df224cc
--- /dev/null
+++ b/package/utils/busybox/patches/243-udhcpc_changed_ifindex.patch
@@ -0,0 +1,15 @@
+--- a/networking/udhcp/dhcpc.c
++++ b/networking/udhcp/dhcpc.c
+@@ -1267,6 +1267,12 @@ 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