diff options
| -rw-r--r-- | net/ipv4/ipconfig.c | 73 |
1 files changed, 38 insertions, 35 deletions
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index ae93dd5ef401..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; } } |