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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); ifp->if_name, ifp->if_unit);
break; break;
case SIOCSIFMTU: case SIOCSIFMTU:
if (ifr->ifr_mtu < IF_MINMTU || ifr->ifr_mtu > IF_MAXMTU) ifp->if_mtu = ifr->ifr_mtu;
error = EINVAL; TUNDEBUG("%s%d: mtu set\n",
else { 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; break;
case SIOCADDMULTI: case SIOCADDMULTI:
case SIOCDELMULTI: case SIOCDELMULTI:
@ -438,7 +435,7 @@ tunioctl(dev, cmd, data, flag, p)
switch (cmd) { switch (cmd) {
case TUNSIFINFO: case TUNSIFINFO:
tunp = (struct tuninfo *)data; tunp = (struct tuninfo *)data;
if (tunp->mtu < IF_MINMTU || tunp->mtu > IF_MAXMTU) if (tunp->mtu < IF_MINMTU)
return (EINVAL); return (EINVAL);
tp->tun_if.if_mtu = tunp->mtu; tp->tun_if.if_mtu = tunp->mtu;
tp->tun_if.if_type = tunp->type; tp->tun_if.if_type = tunp->type;