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Diffstat (limited to 'net/ipv4/ipconfig.c')
-rw-r--r--net/ipv4/ipconfig.c75
1 files changed, 39 insertions, 36 deletions
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index ab7e5542c1cf..472a8c4f1dc0 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -861,41 +861,44 @@ static void __init ic_do_bootp_ext(u8 *ext)
#endif
switch (*ext++) {
- case 1: /* Subnet mask */
- if (ic_netmask == NONE)
- memcpy(&ic_netmask, ext+1, 4);
- break;
- case 3: /* Default gateway */
- if (ic_gateway == NONE)
- memcpy(&ic_gateway, ext+1, 4);
- break;
- case 6: /* DNS server */
- servers= *ext/4;
- if (servers > CONF_NAMESERVERS_MAX)
- servers = CONF_NAMESERVERS_MAX;
- for (i = 0; i < servers; i++) {
- if (ic_nameservers[i] == NONE)
- memcpy(&ic_nameservers[i], ext+1+4*i, 4);
- }
- break;
- case 12: /* Host name */
- ic_bootp_string(utsname()->nodename, ext+1, *ext, __NEW_UTS_LEN);
- ic_host_name_set = 1;
- break;
- case 15: /* Domain name (DNS) */
- ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
- break;
- case 17: /* Root path */
- if (!root_server_path[0])
- ic_bootp_string(root_server_path, ext+1, *ext, sizeof(root_server_path));
- break;
- case 26: /* Interface MTU */
- memcpy(&mtu, ext+1, sizeof(mtu));
- ic_dev_mtu = ntohs(mtu);
- break;
- case 40: /* NIS Domain name (_not_ DNS) */
- ic_bootp_string(utsname()->domainname, ext+1, *ext, __NEW_UTS_LEN);
- break;
+ case 1: /* Subnet mask */
+ if (ic_netmask == NONE)
+ memcpy(&ic_netmask, ext+1, 4);
+ break;
+ case 3: /* Default gateway */
+ if (ic_gateway == NONE)
+ memcpy(&ic_gateway, ext+1, 4);
+ break;
+ case 6: /* DNS server */
+ servers= *ext/4;
+ if (servers > CONF_NAMESERVERS_MAX)
+ servers = CONF_NAMESERVERS_MAX;
+ for (i = 0; i < servers; i++) {
+ if (ic_nameservers[i] == NONE)
+ memcpy(&ic_nameservers[i], ext+1+4*i, 4);
+ }
+ break;
+ case 12: /* Host name */
+ ic_bootp_string(utsname()->nodename, ext+1, *ext,
+ __NEW_UTS_LEN);
+ ic_host_name_set = 1;
+ break;
+ case 15: /* Domain name (DNS) */
+ ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
+ break;
+ case 17: /* Root path */
+ if (!root_server_path[0])
+ ic_bootp_string(root_server_path, ext+1, *ext,
+ sizeof(root_server_path));
+ break;
+ case 26: /* Interface MTU */
+ memcpy(&mtu, ext+1, sizeof(mtu));
+ ic_dev_mtu = ntohs(mtu);
+ break;
+ case 40: /* NIS Domain name (_not_ DNS) */
+ ic_bootp_string(utsname()->domainname, ext+1, *ext,
+ __NEW_UTS_LEN);
+ break;
}
}
@@ -932,7 +935,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
goto drop;
/* Fragments are not supported */
- if (h->frag_off & htons(IP_OFFSET | IP_MF)) {
+ if (ip_is_fragment(h)) {
if (net_ratelimit())
printk(KERN_ERR "DHCP/BOOTP: Ignoring fragmented "
"reply.\n");