diff options
| author | archie <archie@FreeBSD.org> | 2000-03-14 20:49:27 +0000 |
|---|---|---|
| committer | archie <archie@FreeBSD.org> | 2000-03-14 20:49:27 +0000 |
| commit | 9318af6813e7321d6a2385841e1a87917cdb875b (patch) | |
| tree | cefa7cc4ab704a1cd7e1e1ceb0328a2c9373eee1 /sys | |
| parent | e7643a6c06b156cbc6af47ed8171c866dfd193e6 (diff) | |
| download | FreeBSD-src-9318af6813e7321d6a2385841e1a87917cdb875b.zip FreeBSD-src-9318af6813e7321d6a2385841e1a87917cdb875b.tar.gz | |
Have MGETHDR() always initialize m->m_pkthdr.rcvif to NULL.
In the past, not doing this has caused several hard to find
networking bugs, and the minor slowdown is deemed worthwhile.
Reviewed by: wollman
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/sys/mbuf.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h index cc7211f..bd9bd5c 100644 --- a/sys/sys/mbuf.h +++ b/sys/sys/mbuf.h @@ -251,8 +251,6 @@ union mcluster { * MGETHDR(struct mbuf *m, int how, int type) * allocates an mbuf and initializes it to contain a packet header * and internal data. - * - * Warning: MGETHDR() does *not* initialize m->m_pkthdr.rcvif. */ #define MGET(m, how, type) do { \ struct mbuf *_mm; \ @@ -302,6 +300,7 @@ union mcluster { _mm->m_nextpkt = NULL; \ _mm->m_data = _mm->m_pktdat; \ _mm->m_flags = M_PKTHDR; \ + _mm->m_pkthdr.rcvif = NULL; \ (m) = _mm; \ splx(_ms); \ } else { \ |
