svn commit: r227324 - head/sys/dev/ti
Pyun YongHyeon
yongari at FreeBSD.org
Mon Nov 7 22:58:50 UTC 2011
Author: yongari
Date: Mon Nov 7 22:58:49 2011
New Revision: 227324
URL: http://svn.freebsd.org/changeset/base/227324
Log:
Do not allow changing MTU to be less than the minimum.
Modified:
head/sys/dev/ti/if_ti.c
Modified: head/sys/dev/ti/if_ti.c
==============================================================================
--- head/sys/dev/ti/if_ti.c Mon Nov 7 22:53:06 2011 (r227323)
+++ head/sys/dev/ti/if_ti.c Mon Nov 7 22:58:49 2011 (r227324)
@@ -3396,7 +3396,7 @@ ti_ioctl(struct ifnet *ifp, u_long comma
switch (command) {
case SIOCSIFMTU:
TI_LOCK(sc);
- if (ifr->ifr_mtu > TI_JUMBO_MTU)
+ if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > TI_JUMBO_MTU)
error = EINVAL;
else {
ifp->if_mtu = ifr->ifr_mtu;
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