diff --git a/[refs] b/[refs] index 57e4f30260be..4479123df64c 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 5e392739d6ab72f7c35040aa07f4097904bce6e7 +refs/heads/master: 2513dfb83fc775364fe85803d3a84d7ebe5763a5 diff --git a/trunk/net/ipv4/ipconfig.c b/trunk/net/ipv4/ipconfig.c index 90d22ae0a419..88bf051d0cbb 100644 --- a/trunk/net/ipv4/ipconfig.c +++ b/trunk/net/ipv4/ipconfig.c @@ -139,6 +139,8 @@ __be32 ic_servaddr = NONE; /* Boot server IP address */ __be32 root_server_addr = NONE; /* Address of NFS server */ u8 root_server_path[256] = { 0, }; /* Path to mount as root */ +u32 ic_dev_xid; /* Device under configuration */ + /* vendor class identifier */ static char vendor_class_identifier[253] __initdata; @@ -932,6 +934,13 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str goto drop_unlock; } + /* Is it a reply for the device we are configuring? */ + if (b->xid != ic_dev_xid) { + if (net_ratelimit()) + printk(KERN_ERR "DHCP/BOOTP: Ignoring delayed packet \n"); + goto drop_unlock; + } + /* Parse extensions */ if (ext_len >= 4 && !memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */ @@ -1115,6 +1124,9 @@ static int __init ic_dynamic(void) get_random_bytes(&timeout, sizeof(timeout)); timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned) CONF_TIMEOUT_RANDOM); for (;;) { + /* Track the device we are configuring */ + ic_dev_xid = d->xid; + #ifdef IPCONFIG_BOOTP if (do_bootp && (d->able & IC_BOOTP)) ic_bootp_send_if(d, jiffies - start_jiffies);