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Protect EEPROM access with the driver lock.

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This commit is contained in:
Pyun YongHyeon 2006-07-20 04:01:54 +00:00
parent fa799a4e7e
commit 693d469eee
1 changed files with 2 additions and 1 deletions
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3
sys/dev/em/if_em.c
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@ -766,6 +766,7 @@ em_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)");
EM_LOCK(sc);
switch (sc->hw.mac_type) {
case em_82573:
/*
@ -789,11 +790,11 @@ em_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
}
if (ifr->ifr_mtu > max_frame_size - ETHER_HDR_LEN -
ETHER_CRC_LEN) {
EM_UNLOCK(sc);
error = EINVAL;
break;
}
EM_LOCK(sc);
ifp->if_mtu = ifr->ifr_mtu;
sc->hw.max_frame_size =
ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;