Author: Lars Mueller <lm at openslx dot com>
Subject: Do not return with an error in this particular case.
Fixed upstream: Yes; at least in 1.3.1

Index: busybox-1.2.2/archival/libunarchive/get_header_cpio.c
===================================================================
--- busybox-1.2.2.orig/archival/libunarchive/get_header_cpio.c
+++ busybox-1.2.2/archival/libunarchive/get_header_cpio.c
@@ -35,7 +35,6 @@ char get_header_cpio(archive_handle_t *a
 		oldtmp = NULL;
 
 		while (tmp) {
-			bb_error_msg_and_die("need to fix this\n");
 			if (tmp->entry->link_name) { /* Found a hardlink ready to be extracted */
 				file_header = tmp->entry;
 				if (oldtmp) {