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authorAlan Cox <alan@linux.intel.com>2012-07-12 03:39:11 +0000
committerBen Hutchings <ben@decadent.org.uk>2012-08-19 18:15:21 +0100
commitab12cbb527ec1afc9f71bd2331164c375e1e68f7 (patch)
tree262d26bf1c22728334e5e41b86411cee185dcd93
parent6ccc95984ccfb8fa3cac0fee166e6290939587bf (diff)
sch_sfb: Fix missing NULL check
[ Upstream commit 7ac2908e4b2edaec60e9090ddb4d9ceb76c05e7d ] 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> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r--net/sched/sch_sfb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 17859eabe8d..351a69b381b 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -559,6 +559,8 @@ 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;
NLA_PUT(skb, TCA_SFB_PARMS, sizeof(opt), &opt);
return nla_nest_end(skb, opts);