Author: glebius
Date: Sun Oct 14 15:08:07 2012
New Revision: 241547
URL: http://svn.freebsd.org/changeset/base/241547
Log:
Fix a miss from r241344: in ip_mloopback() we need to go to
net byte order prior to calling in_delayed_cksum().
Reported by: Olivier Cochard-Labbe <olivier cochard.me>
Modified:
head/sys/netinet/ip_output.c
Modified: head/sys/netinet/ip_output.c
==============================================================================
--- head/sys/netinet/ip_output.c Sun Oct 14 15:03:06 2012
(r241546)
+++ head/sys/netinet/ip_output.c Sun Oct 14 15:08:07 2012
(r241547)
@@ -1313,6 +1313,9 @@ ip_mloopback(struct ifnet *ifp, struct m
if (copym != NULL && (copym->m_flags & M_EXT || copym->m_len < hlen))
copym = m_pullup(copym, hlen);
if (copym != NULL) {
+ ip = mtod(copym, struct ip *);
+ ip->ip_len = htons(ip->ip_len);
+ ip->ip_off = htons(ip->ip_off);
/* If needed, compute the checksum and mark it as valid. */
if (copym->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {
in_delayed_cksum(copym);
@@ -1325,9 +1328,6 @@ ip_mloopback(struct ifnet *ifp, struct m
* We don't bother to fragment if the IP length is greater
* than the interface's MTU. Can this possibly matter?
*/
- ip = mtod(copym, struct ip *);
- ip->ip_len = htons(ip->ip_len);
- ip->ip_off = htons(ip->ip_off);
ip->ip_sum = 0;
ip->ip_sum = in_cksum(copym, hlen);
#if 1 /* XXX */
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