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authorFlorian Westphal <fw@strlen.de>2014-07-24 18:50:30 +0400
committerDavid S. Miller <davem@davemloft.net>2014-07-28 09:34:35 +0400
commitfb3cfe6e75b9d05c87265e85e67d7caf6e5b44a7 (patch)
tree3dfe9c9ddebc20bd61571db6d23ff660a67a3485 /net/ipv6/reassembly.c
parent36c7778218b93d96d88d68f116a711f6a598b72f (diff)
downloadlinux-fb3cfe6e75b9d05c87265e85e67d7caf6e5b44a7.tar.xz
inet: frag: remove hash size assumptions from callers
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>
Diffstat (limited to 'net/ipv6/reassembly.c')
-rw-r--r--net/ipv6/reassembly.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 0c6932cc08cb..2b76549a1016 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -85,13 +85,9 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
static unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr,
const struct in6_addr *daddr)
{
- u32 c;
-
net_get_random_once(&ip6_frags.rnd, sizeof(ip6_frags.rnd));
- c = jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr),
- (__force u32)id, ip6_frags.rnd);
-
- return c & (INETFRAGS_HASHSZ - 1);
+ return jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr),
+ (__force u32)id, ip6_frags.rnd);
}
static unsigned int ip6_hashfn(const struct inet_frag_queue *q)