From d41db9f3f71548f07b8b6d81a88220d0035b04f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Linus=20L=C3=BCssing?= <linus.luessing@web.de>
Date: Tue, 15 Feb 2011 13:19:19 +0000
Subject: [PATCH] bridge: Add missing ntohs()s for MLDv2 report parsing
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The nsrcs number is 2 Byte wide, therefore we need to call ntohs()
before using it.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/bridge/br_multicast.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index d69beaf83627..9ce2af187709 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1020,11 +1020,12 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
if (!pskb_may_pull(skb,
len + sizeof(*grec) +
- sizeof(struct in6_addr) * (*nsrcs)))
+ sizeof(struct in6_addr) * ntohs(*nsrcs)))
return -EINVAL;
grec = (struct mld2_grec *)(skb->data + len);
- len += sizeof(*grec) + sizeof(struct in6_addr) * (*nsrcs);
+ len += sizeof(*grec) +
+ sizeof(struct in6_addr) * ntohs(*nsrcs);
/* We treat these as MLDv1 reports for now. */
switch (grec->grec_type) {
--
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