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authorJarek Poplawski <jarkao2@gmail.com>2010-08-06 00:22:35 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-26 16:46:00 -0700
commit0ff3da3bc0827cbc60d9ef37ac26d72814125fa6 (patch)
tree12d6db47b3b309fb3a03f6730b8b32ceed57110b
parent4c0ef2f2c0ef4245486124b84ba0ec9a2b4b3899 (diff)
pkt_sched: Fix sch_sfq vs tcf_bind_filter oops
[ Upstream commit eb4a5527b1f0d581ac217c80ef3278ed5e38693c ] Since there was added ->tcf_chain() method without ->bind_tcf() to sch_sfq class options, there is oops when a filter is added with the classid parameter. Fixes commit 7d2681a6ff4f9ab5e48d02550b4c6338f1638998 netdev thread: null pointer at cls_api.c Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Reported-by: Franchoze Eric <franchoze@yandex.ru> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--net/sched/sch_sfq.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index c65762823f5e..9ba71ba0f8f0 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -502,6 +502,12 @@ static unsigned long sfq_get(struct Qdisc *sch, u32 classid)
return 0;
}
+static unsigned long sfq_bind(struct Qdisc *sch, unsigned long parent,
+ u32 classid)
+{
+ return 0;
+}
+
static struct tcf_proto **sfq_find_tcf(struct Qdisc *sch, unsigned long cl)
{
struct sfq_sched_data *q = qdisc_priv(sch);
@@ -556,6 +562,7 @@ static void sfq_walk(struct Qdisc *sch, struct qdisc_walker *arg)
static const struct Qdisc_class_ops sfq_class_ops = {
.get = sfq_get,
.tcf_chain = sfq_find_tcf,
+ .bind_tcf = sfq_bind,
.dump = sfq_dump_class,
.dump_stats = sfq_dump_class_stats,
.walk = sfq_walk,