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Back out redundant check, and remove the MAXMTU comparison as it's 

outside of the (bogus) tuninfo mtu range.
Pointed out by: bde
This commit is contained in:
Brian Somers 1999-08-06 16:52:04 +00:00
parent 5abb82ea11
commit a18e16060e
1 changed files with 4 additions and 7 deletions
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11
sys/net/if_tun.c
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@ -302,12 +302,9 @@ tunifioctl(ifp, cmd, data)
ifp->if_name, ifp->if_unit);
break;
case SIOCSIFMTU:
if (ifr->ifr_mtu < IF_MINMTU || ifr->ifr_mtu > IF_MAXMTU)
error = EINVAL;
else {
ifp->if_mtu = ifr->ifr_mtu;
TUNDEBUG("%s%d: mtu set\n", ifp->if_name, ifp->if_unit);
}
ifp->if_mtu = ifr->ifr_mtu;
TUNDEBUG("%s%d: mtu set\n",
ifp->if_name, ifp->if_unit);
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
@ -438,7 +435,7 @@ tunioctl(dev, cmd, data, flag, p)
switch (cmd) {
case TUNSIFINFO:
tunp = (struct tuninfo *)data;
if (tunp->mtu < IF_MINMTU || tunp->mtu > IF_MAXMTU)
if (tunp->mtu < IF_MINMTU)
return (EINVAL);
tp->tun_if.if_mtu = tunp->mtu;
tp->tun_if.if_type = tunp->type;