diff options
| -rw-r--r-- | net/core/filter.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index e8c89d2d2bc0..94bf897485db 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2120,10 +2120,7 @@ static u32 __bpf_skb_min_len(const struct sk_buff *skb) return min_len; } -static u32 __bpf_skb_max_len(const struct sk_buff *skb) -{ - return skb->dev->mtu + skb->dev->hard_header_len; -} +#define BPF_SKB_MAX_LEN SKB_MAX_ALLOC static int bpf_skb_grow_rcsum(struct sk_buff *skb, unsigned int new_len) { @@ -2144,7 +2141,7 @@ static int bpf_skb_trim_rcsum(struct sk_buff *skb, unsigned int new_len) BPF_CALL_3(bpf_skb_change_tail, struct sk_buff *, skb, u32, new_len, u64, flags) { - u32 max_len = __bpf_skb_max_len(skb); + u32 max_len = BPF_SKB_MAX_LEN; u32 min_len = __bpf_skb_min_len(skb); int ret; |