Commit e4a6a342 authored by Kefeng Wang's avatar Kefeng Wang Committed by David S. Miller

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: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent edaf3825
......@@ -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,
......
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