Merge branch 'main' into next

Signed-off-by: David Ahern <dsahern@kernel.org>

lib/libnetlink.c

@@ -727,13 +727,15 @@ int rtnl_dump_request_n(struct rtnl_handle *rth, struct nlmsghdr *n)
 static int rtnl_dump_done(struct nlmsghdr *h,
 			  const struct rtnl_dump_filter_arg *a)
 {
-	int len = *(int *)NLMSG_DATA(h);
+	int len;
 
 	if (h->nlmsg_len < NLMSG_LENGTH(sizeof(int))) {
 		fprintf(stderr, "DONE truncated\n");
 		return -1;
 	}
 
+	len = *(int *)NLMSG_DATA(h);
+
 	if (len < 0) {
 		errno = -len;