Commit e4a6a342 authored Jul 13, 2017 by Kefeng Wang Committed by David S. Miller Jul 13, 2017

bpf: fix return in bpf_skb_adjust_net



The bpf_skb_adjust_net() ignores the return value of bpf_skb_net_shrink/grow,
and always return 0, fix it by return 'ret'.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent edaf3825

net/core/filter.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2248,7 +2248,7 @@ static int bpf_skb_adjust_net(struct sk_buff *skb, s32 len_diff)
		bpf_skb_net_grow(skb, len_diff_abs);

		bpf_compute_data_end(skb);
		return 0;
		return ret;
		}

		BPF_CALL_4(bpf_skb_adjust_room, struct sk_buff *, skb, s32, len_diff,