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sch_sfb: Fix missing NULL check 

Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44461

Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alan Cox 2012-07-12 03:39:11 +00:00 committed by David S. Miller
parent c1f5163de4
commit 7ac2908e4b
1 changed files with 2 additions and 0 deletions
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2
net/sched/sch_sfb.c
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@ -570,6 +570,8 @@ static int sfb_dump(struct Qdisc *sch, struct sk_buff *skb)
sch->qstats.backlog = q->qdisc->qstats.backlog;
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
if (nla_put(skb, TCA_SFB_PARMS, sizeof(opt), &opt))
goto nla_put_failure;
return nla_nest_end(skb, opts);