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authorHerbert Xu <herbert@gondor.apana.org.au>2008-02-05 03:15:50 -0800
committerDavid S. Miller <davem@davemloft.net>2008-02-05 03:15:50 -0800
commit8cf229437fd826c32a44546899412b1eb3e1db6f (patch)
tree3afef8d1a3839b1ede06c738a0847f06bb3da3dd /net
parent5d8c0aa9433b09387d9021358baef7939f9b32c4 (diff)
downloadlinux-linaro-stable-8cf229437fd826c32a44546899412b1eb3e1db6f.tar.gz
[ICMP]: Restore pskb_pull calls in receive function
Somewhere along the development of my ICMP relookup patch the header length check went AWOL on the non-IPsec path. This patch restores the check. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/icmp.c3
-rw-r--r--net/ipv6/icmp.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index a7321a82df6d..a13c074dac09 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -1015,7 +1015,8 @@ int icmp_rcv(struct sk_buff *skb)
goto error;
}
- __skb_pull(skb, sizeof(*icmph));
+ if (!pskb_pull(skb, sizeof(*icmph)))
+ goto error;
icmph = icmp_hdr(skb);
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index cbb5b9cf84ad..121d517bf91c 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -683,7 +683,8 @@ static int icmpv6_rcv(struct sk_buff *skb)
}
}
- __skb_pull(skb, sizeof(*hdr));
+ if (!pskb_pull(skb, sizeof(*hdr)))
+ goto discard_it;
hdr = icmp6_hdr(skb);