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Do not allow changing MTU to be less than the minimum.

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This commit is contained in:
yongari 2011-11-07 22:58:49 +00:00
parent 711c65d39d
commit 89ad5455c3
1 changed files with 1 additions and 1 deletions
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2
sys/dev/ti/if_ti.c
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@ -3396,7 +3396,7 @@ ti_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
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;