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inet: frag: remove hash size assumptions from callers

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hide actual hash size from individual users: The _find
function will now fold the given hash value into the required range.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2014-07-24 16:50:30 +02:00 • committed by David S. Miller
parent 36c7778218
commit fb3cfe6e75
5 changed files with 19 additions and 23 deletions
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2
net/ipv4/ip_fragment.c
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@ -109,7 +109,7 @@ static unsigned int ipqhashfn(__be16 id, __be32 saddr, __be32 daddr, u8 prot)
net_get_random_once(&ip4_frags.rnd, sizeof(ip4_frags.rnd));
return jhash_3words((__force u32)id << 16 | prot,
(__force u32)saddr, (__force u32)daddr,
ip4_frags.rnd) & (INETFRAGS_HASHSZ - 1);
ip4_frags.rnd);
}
static unsigned int ip4_hashfn(const struct inet_frag_queue *q)