diff options
| author |   krw <krw@openbsd.org> | 2016-09-13 12:09:53 +0000 |
|---|---|---|
| committer | krw <krw@openbsd.org> | 2016-09-13 12:09:53 +0000 |
| commit | 8d15695608ce2b88ffbc534edb201cc53fcc4f93 (patch) | |
| tree | b0c71a60f3739f587a3b2e31374dad4ecdb4a56a | |
| parent | Disable the timer event before attempting to change it (diff) | |
| download | wireguard-openbsd-8d15695608ce2b88ffbc534edb201cc53fcc4f93.tar.xz wireguard-openbsd-8d15695608ce2b88ffbc534edb201cc53fcc4f93.zip | |
Don't waste time zero'ing memory until there is some chance it might
be used.
Also noted by dlg@.
ok phessler@ mpi@
| -rw-r--r-- | sys/net/bpf_filter.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/net/bpf_filter.c b/sys/net/bpf_filter.c index 111de654490..45ca6a527f2 100644 --- a/sys/net/bpf_filter.c +++ b/sys/net/bpf_filter.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bpf_filter.c,v 1.31 2016/09/12 14:05:40 krw Exp $ */ +/* $OpenBSD: bpf_filter.c,v 1.32 2016/09/13 12:09:53 krw Exp $ */ /* $NetBSD: bpf_filter.c,v 1.12 1996/02/13 22:00:00 christos Exp $ */ /* @@ -148,8 +148,6 @@ _bpf_filter(const struct bpf_insn *pc, const struct bpf_ops *ops, int32_t mem[BPF_MEMWORDS]; int err; - bzero(mem, sizeof(mem)); - if (pc == NULL) { /* * No filter means accept all. @@ -157,6 +155,8 @@ _bpf_filter(const struct bpf_insn *pc, const struct bpf_ops *ops, return (u_int)-1; } + memset(mem, 0, sizeof(mem)); + --pc; while (1) { ++pc; |