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authorIngo Molnar <mingo@elte.hu>2009-03-12 13:16:18 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-12 13:16:18 +0100
commitf8cb22cbb8383c9f41e6ccbcd4fb94edb1048bda (patch)
tree9b3a333224ec895c053a694dcaff526502b84e6c /net/sched/sch_drr.c
parent044d408409cc4e1bc75c886e27ca85c270db104c (diff)
parentebdcc81c71937b30e09110c02a1e8a21fa770b6f (diff)
Merge branch 'linus' into irq/genirq
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;