bpf_try_make_writable 1649 net/core/filter.c return bpf_try_make_writable(skb, skb_headlen(skb)); bpf_try_make_writable 1673 net/core/filter.c if (unlikely(bpf_try_make_writable(skb, offset + len))) bpf_try_make_writable 1819 net/core/filter.c return bpf_try_make_writable(skb, len ? : skb_headlen(skb)); bpf_try_make_writable 1882 net/core/filter.c if (unlikely(bpf_try_make_writable(skb, offset + sizeof(*ptr)))) bpf_try_make_writable 1930 net/core/filter.c if (unlikely(bpf_try_make_writable(skb, offset + sizeof(*ptr)))) bpf_try_make_writable 5038 net/core/filter.c if (unlikely(bpf_try_make_writable(skb, offset + len)))