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| author | Jarek Poplawski <jarkao2@gmail.com> | 2010-08-10 22:31:02 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-26 16:46:00 -0700 |
| commit | 34793c34a78af4043f119c7fc332526d5b012fd0 (patch) | |
| tree | 0821f146811dc953d379894f1832823e0ba5c5b5 | |
| parent | 0ff3da3bc0827cbc60d9ef37ac26d72814125fa6 (diff) | |
pkt_sched: Fix sch_sfq vs tc_modify_qdisc oops
[ Upstream commit 41065fba846e795b31b17e4dec01cb904d56c6cd ]
sch_sfq as a classful qdisc needs the .leaf handler. Otherwise, there
is an oops possible in tc_modify_qdisc()/check_loop().
Fixes commit 7d2681a6ff4f9ab5e48d02550b4c6338f1638998
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
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.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 9ba71ba0f8f0..a9be0ef65e87 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -497,6 +497,11 @@ nla_put_failure: return -1; } +static struct Qdisc *sfq_leaf(struct Qdisc *sch, unsigned long arg) +{ + return NULL; +} + static unsigned long sfq_get(struct Qdisc *sch, u32 classid) { return 0; @@ -560,6 +565,7 @@ static void sfq_walk(struct Qdisc *sch, struct qdisc_walker *arg) } static const struct Qdisc_class_ops sfq_class_ops = { + .leaf = sfq_leaf, .get = sfq_get, .tcf_chain = sfq_find_tcf, .bind_tcf = sfq_bind, |