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authorDavid S. Miller <davem@davemloft.net>2012-06-19 18:56:21 -0700
committerDavid S. Miller <davem@davemloft.net>2012-06-19 18:56:21 -0700
commitf9242b6b28d61295f2bf7e8adfb1060b382e5381 (patch)
treeb395670bd6ae832e9f6f87f47a1840baf3a06d0d /net/ipv6/raw.c
parent677a3d60fb3153f786a0d28fcf0287670e7bd3c2 (diff)
downloadop-kernel-dev-f9242b6b28d61295f2bf7e8adfb1060b382e5381.zip
op-kernel-dev-f9242b6b28d61295f2bf7e8adfb1060b382e5381.tar.gz
inet: Sanitize inet{,6} protocol demux.
Don't pretend that inet_protos[] and inet6_protos[] are hashes, thay are just a straight arrays. Remove all unnecessary hash masking. Document MAX_INET_PROTOS. Use RAW_HTABLE_SIZE when appropriate. Reported-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r--net/ipv6/raw.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 43b0042..b5c1dcb 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -165,7 +165,7 @@ static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
saddr = &ipv6_hdr(skb)->saddr;
daddr = saddr + 1;
- hash = nexthdr & (MAX_INET_PROTOS - 1);
+ hash = nexthdr & (RAW_HTABLE_SIZE - 1);
read_lock(&raw_v6_hashinfo.lock);
sk = sk_head(&raw_v6_hashinfo.ht[hash]);
@@ -229,7 +229,7 @@ bool raw6_local_deliver(struct sk_buff *skb, int nexthdr)
{
struct sock *raw_sk;
- raw_sk = sk_head(&raw_v6_hashinfo.ht[nexthdr & (MAX_INET_PROTOS - 1)]);
+ raw_sk = sk_head(&raw_v6_hashinfo.ht[nexthdr & (RAW_HTABLE_SIZE - 1)]);
if (raw_sk && !ipv6_raw_deliver(skb, nexthdr))
raw_sk = NULL;
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