diff options
| author | dwmalone <dwmalone@FreeBSD.org> | 2006-05-28 20:00:02 +0000 |
|---|---|---|
| committer | dwmalone <dwmalone@FreeBSD.org> | 2006-05-28 20:00:02 +0000 |
| commit | 624f77708d0e94c0f423053830fbac8f954ce148 (patch) | |
| tree | 72f34bb97a7e2083600877b04f32b993c8173f42 /sys/net/bpf_filter.c | |
| parent | f5f4b77a10dee6f7b5030f1278d65749bf03f03e (diff) | |
| download | FreeBSD-src-624f77708d0e94c0f423053830fbac8f954ce148.zip FreeBSD-src-624f77708d0e94c0f423053830fbac8f954ce148.tar.gz | |
Avoid unwanted sign extension of indexed byte load in bpf code.
PR: 89748
Submitted by: Guy Harris <guy@alum.mit.edu>
Obtained from: NetBSD via OpenBSD
MFC after: 2 weeks
Diffstat (limited to 'sys/net/bpf_filter.c')
| -rw-r--r-- | sys/net/bpf_filter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/net/bpf_filter.c b/sys/net/bpf_filter.c index 77dab7d..74fb8ea 100644 --- a/sys/net/bpf_filter.c +++ b/sys/net/bpf_filter.c @@ -334,7 +334,7 @@ bpf_filter(pc, p, wirelen, buflen) return 0; m = (struct mbuf *)p; MINDEX(m, k); - A = mtod(m, char *)[k]; + A = mtod(m, u_char *)[k]; continue; #else return 0; @@ -353,7 +353,7 @@ bpf_filter(pc, p, wirelen, buflen) return 0; m = (struct mbuf *)p; MINDEX(m, k); - X = (mtod(m, char *)[k] & 0xf) << 2; + X = (mtod(m, u_char *)[k] & 0xf) << 2; continue; #else return 0; |
