busybox: update to 1.22.1

[openwrt.git] / package / utils / busybox / patches / 201-udhcpc_changed_ifindex.patch

diff --git a/package/utils/busybox/patches/201-udhcpc_changed_ifindex.patch b/package/utils/busybox/patches/201-udhcpc_changed_ifindex.patch
new file mode 100644 (file)
index 0000000..3e4e049
--- /dev/null
+++ b/package/utils/busybox/patches/201-udhcpc_changed_ifindex.patch
@@ -0,0 +1,15 @@
+--- a/networking/udhcp/dhcpc.c
++++ b/networking/udhcp/dhcpc.c
+@@ -1400,6 +1400,12 @@ 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