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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>
This commit is contained in:
Linus Lüssing 2011-02-15 13:19:19 +00:00 committed by David S. Miller
parent 649e984d00
commit d41db9f3f7
1 changed files with 3 additions and 2 deletions
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5
net/bridge/br_multicast.c
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@ -1020,11 +1020,12 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
if (!pskb_may_pull(skb, if (!pskb_may_pull(skb,
len + sizeof(*grec) + len + sizeof(*grec) +
sizeof(struct in6_addr) * (*nsrcs))) sizeof(struct in6_addr) * ntohs(*nsrcs)))
return -EINVAL; return -EINVAL;
grec = (struct mld2_grec *)(skb->data + len); 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. */ /* We treat these as MLDv1 reports for now. */
switch (grec->grec_type) { switch (grec->grec_type) {