linux-kernel - [ 082/109] sch_sfb: Fix missing NULL check

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Message-Id: <20120807222050.289944679@linuxfoundation.org>
Date:	Tue,  7 Aug 2012 15:35:41 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Alan Cox <alan@...ux.intel.com>,
	Eric Dumazet <edumazet@...gle.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 082/109] sch_sfb: Fix missing NULL check

From: Greg KH <gregkh@...uxfoundation.org>

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

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


From: Alan Cox <alan@...ux.intel.com>

[ Upstream commit 7ac2908e4b2edaec60e9090ddb4d9ceb76c05e7d ]

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

Signed-off-by: Alan Cox <alan@...ux.intel.com>
Acked-by: Eric Dumazet <edumazet@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/sched/sch_sfb.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -570,6 +570,8 @@ 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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