Commit 4d6a75b6 authored Aug 17, 2017 by Daniel Borkmann Committed by David S. Miller Aug 17, 2017

bpf: no need to nullify ri->map in xdp_do_redirect



We are guaranteed to have a NULL ri->map in this branch since
we test for it earlier, so we don't need to reset it here.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 1ab2de2b

net/core/filter.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -2568,7 +2568,6 @@ int xdp_do_redirect(struct net_device dev, struct xdp_buff xdp,

		fwd = dev_get_by_index_rcu(dev_net(dev), index);
		ri->ifindex = 0;
		ri->map = NULL;
		if (unlikely(!fwd)) {
		bpf_warn_invalid_xdp_redirect(index);
		return -EINVAL;