In userland, sign extend the offset for JA instructions. We currently use that to implement "ip6 protochain", and "pc" might be wider than "pc->k", in which case we need to arrange that "pc->k" be sign-extended, by casting it to bpf_int32. PR: kern/157188 Submitted by: plosher MFC after: 2 weeks |
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bpf_filter.c |