diff options
| author | archie <archie@FreeBSD.org> | 2002-06-05 23:35:31 +0000 |
|---|---|---|
| committer | archie <archie@FreeBSD.org> | 2002-06-05 23:35:31 +0000 |
| commit | d14167a565aab69bc2db27d9d58542b7214b3d26 (patch) | |
| tree | 79c438e42f33c8b1d1266d5cc137cdd578828f7e /sys/netgraph/ng_rfc1490.c | |
| parent | a615d0fcdd4032388124d4b85e81fe3baa903ce5 (diff) | |
| download | FreeBSD-src-d14167a565aab69bc2db27d9d58542b7214b3d26.zip FreeBSD-src-d14167a565aab69bc2db27d9d58542b7214b3d26.tar.gz | |
Const'ify variables to make it clear we're not writing to the mbuf data.
Reviewed by: julian, brian
MFC after: 1 week
Diffstat (limited to 'sys/netgraph/ng_rfc1490.c')
| -rw-r--r-- | sys/netgraph/ng_rfc1490.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/netgraph/ng_rfc1490.c b/sys/netgraph/ng_rfc1490.c index ec1fc19..778d07b 100644 --- a/sys/netgraph/ng_rfc1490.c +++ b/sys/netgraph/ng_rfc1490.c @@ -215,12 +215,13 @@ ng_rfc1490_rcvdata(hook_p hook, item_p item) NGI_GET_M(item, m); if (hook == priv->downlink) { - u_char *start, *ptr; + const u_char *start; + const u_char *ptr; if (!m || (m->m_len < MAX_ENCAPS_HDR && !(m = m_pullup(m, MAX_ENCAPS_HDR)))) ERROUT(ENOBUFS); - ptr = start = mtod(m, u_char *); + ptr = start = mtod(m, const u_char *); /* Must be UI frame */ if (*ptr++ != HDLC_UI) @@ -237,7 +238,7 @@ ng_rfc1490_rcvdata(hook_p hook, item_p item) u_int16_t etype; ptr += 3; - etype = ntohs(*((u_int16_t *) ptr)); + etype = ntohs(*((const u_int16_t *)ptr)); ptr += 2; m_adj(m, ptr - start); switch (etype) { |
