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authorIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-04 11:14:47 +0100
commita1be621dfacbef0fd374d8acd553d71e07bf29ac (patch)
tree32b0355454b43b1098b5e01dd699fd7281abf781 /net/sched/sch_drr.c
parent3612fdf780e28b10323dd12d2b0f306c7ada4d4c (diff)
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff)
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc7' into tracing/core
Diffstat (limited to 'net/sched/sch_drr.c')
-rw-r--r--net/sched/sch_drr.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index f6b4fa97df7..e36e94ab4e1 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -66,11 +66,15 @@ static int drr_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
{
struct drr_sched *q = qdisc_priv(sch);
struct drr_class *cl = (struct drr_class *)*arg;
+ struct nlattr *opt = tca[TCA_OPTIONS];
struct nlattr *tb[TCA_DRR_MAX + 1];
u32 quantum;
int err;
- err = nla_parse_nested(tb, TCA_DRR_MAX, tca[TCA_OPTIONS], drr_policy);
+ if (!opt)
+ return -EINVAL;
+
+ err = nla_parse_nested(tb, TCA_DRR_MAX, opt, drr_policy);
if (err < 0)
return err;