[ 29/49] sch_sfb: Fix missing NULL check

[Greg Kroah-Hartman]

From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------


From: Alan Cox <alan@xxxxxxxxxxxxxxx>

[ Upstream commit 7ac2908e4b2edaec60e9090ddb4d9ceb76c05e7d ]

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

Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/sched/sch_sfb.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -556,6 +556,8 @@ static int sfb_dump(struct Qdisc *sch, s
 
 	sch->qstats.backlog = q->qdisc->qstats.backlog;
 	opts = nla_nest_start(skb, TCA_OPTIONS);
+	if (opts == NULL)
+		goto nla_put_failure;
 	NLA_PUT(skb, TCA_SFB_PARMS, sizeof(opt), &opt);
 	return nla_nest_end(skb, opts);
 


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