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| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2017-07-13 14:27:58 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-13 09:18:46 -0700 |
| commit | e4a6a3424b75f23f6bb1cc479974fc305a4b9f78 (patch) | |
| tree | 393fdc5c041871489e8d9259f16e6a75c0726409 | |
| parent | edaf3825182958a1fd5e39708fcb6ea48eca2060 (diff) | |
| download | linux-e4a6a3424b75f23f6bb1cc479974fc305a4b9f78.tar.gz | |
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>
| -rw-r--r-- | net/core/filter.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index c7f737058d89..f44fc22fd45a 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -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, |