diff options
author | James Morris <jmorris@namei.org> | 2009-05-22 18:40:59 +1000 |
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committer | James Morris <jmorris@namei.org> | 2009-05-22 18:40:59 +1000 |
commit | 2c9e703c618106f5383226fbb1f526cb11034f8a (patch) | |
tree | 87d7548001ea82f655fede0640466fc16aabcdf7 /net/ipv4/ipconfig.c | |
parent | 6470c077cae12227318f40f3e6d756caadcce4b0 (diff) | |
parent | 5805977e63a36ad56594a623f3bd2bebcb7db233 (diff) |
Merge branch 'master' into next
Conflicts:
fs/exec.c
Removed IMA changes (the IMA checks are now performed via may_open()).
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'net/ipv4/ipconfig.c')
-rw-r--r-- | net/ipv4/ipconfig.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 90d22ae0a41..88bf051d0cb 100644 --- a/net/ipv4/ipconfig.c +++ b/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); |