Message ID | 1499927278-175876-1-git-send-email-wangkefeng.wang@huawei.com |
---|---|
State | Accepted |
Commit | e4a6a3424b75f23f6bb1cc479974fc305a4b9f78 |
Headers | show |
On 07/13/2017 08:27 AM, Kefeng Wang wrote: > 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> Sigh, yep of course. Thanks! Acked-by: Daniel Borkmann <daniel@iogearbox.net>
From: Kefeng Wang <wangkefeng.wang@huawei.com> Date: Thu, 13 Jul 2017 14:27:58 +0800 > 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> Applied, thanks.
diff --git a/net/core/filter.c b/net/core/filter.c index c7f7370..f44fc22 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,
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> --- net/core/filter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 1.8.3.1