diff options
| author | Kenneth R Westerback <krw@cvs.openbsd.org> | 2016-09-13 12:09:54 +0000 |
|---|---|---|
| committer | Kenneth R Westerback <krw@cvs.openbsd.org> | 2016-09-13 12:09:54 +0000 |
| commit | 3ad3d1a11d5ccde3a8c9194e041ba552d4d2555d (patch) | |
| tree | aa3df6bd34e36fd24210f3011b9d88d857aee1aa /sys/net/bpf_filter.c | |
| parent | 019b1cc4c3a3a670fef4e88633e5fb0d4aabfb43 (diff) | |
Don't waste time zero'ing memory until there is some chance it might
be used.
Also noted by dlg@.
ok phessler@ mpi@
Diffstat (limited to 'sys/net/bpf_filter.c')
| -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; |