[PATCH] tc action: pedit, fix header offset calculation
From: Anton 'EvilMan' Danilov <hidden>
Date: 2012-02-29 16:45:09
Subsystem:
networking [general], tc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jamal Hadi Salim, Jiri Pirko, Linus Torvalds
This patch fix header offset calculation in pedit action. Header offset feature can be used for calculation offset of next header, if options is presented in ipv4 header.
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 10d3aed..4678a77 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c@@ -151,7 +151,7 @@ static int tcf_pedit(struct sk_buff *skb, conststruct tc_action *a,
&_d);
if (!d)
goto bad;
- offset += (*d & tkey->offmask) >> tkey->shift;
+ offset += ntohl(*d & tkey->offmask) >> tkey->shift;
}
if (offset % 4) {
--
Anton.