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authorDavid S. Miller <davem@davemloft.net>2008-10-30 23:11:44 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-30 23:35:02 -0700
commit263e69cbc9e5a9e7bcf6a24f641ef0717d1ae4df (patch)
treeb82cb19bc63531782b018b3ad70c5e58dab44569
parent721d5dfe7e516954c501d5e9d0dfab379cf4241a (diff)
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pppoe: Fix socket leak.
Move SKB trim before we lookup the socket so we don't have to put it on failure. Based upon an initial patch by Jarek Poplawski and suggestions from Herbert Xu. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/pppoe.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index fc6f4b8c64b..b646e92134d 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -399,11 +399,11 @@ static int pppoe_rcv(struct sk_buff *skb,
if (skb->len < len)
goto drop;
- po = get_item(ph->sid, eth_hdr(skb)->h_source, dev->ifindex);
- if (!po)
+ if (pskb_trim_rcsum(skb, len))
goto drop;
- if (pskb_trim_rcsum(skb, len))
+ po = get_item(ph->sid, eth_hdr(skb)->h_source, dev->ifindex);
+ if (!po)
goto drop;
return sk_receive_skb(sk_pppox(po), skb, 0);