qubes-linux-kernel/patches.suse/netfilter-ipt_LOG-mac
2010-07-07 13:12:45 +02:00

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From: Jaroslav Kysela <perex@suse.cz>
Subject: LTC23987-iptables LOG output shows too long MAC info
References: 176921
Patch-mainline: not yet
LTC23987-iptables LOG output shows too long MAC info for qeth VLAN interface
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
---
net/ipv4/netfilter/ipt_LOG.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -409,12 +409,12 @@ ipt_log_packet(u_int8_t pf,
printk("MAC=");
if (skb->dev && skb->dev->hard_header_len &&
skb->mac_header != skb->network_header) {
- int i;
+ int i, len;
const unsigned char *p = skb_mac_header(skb);
- for (i = 0; i < skb->dev->hard_header_len; i++,p++)
- printk("%02x%c", *p,
- i==skb->dev->hard_header_len - 1
- ? ' ':':');
+ len = (int)(skb_network_header(skb) - p);
+ len = min((int)skb->dev->hard_header_len, len);
+ for (i = 0; i < len; i++,p++)
+ printk("%02x%c", *p, i==len - 1 ? ' ':':');
} else
printk(" ");
}