diff options
| author |   Florian Westphal <fw@strlen.de> | 2014-07-24 16:50:30 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-07-27 22:34:35 -0700 |
| commit | fb3cfe6e75b9d05c87265e85e67d7caf6e5b44a7 (patch) | |
| tree | 3dfe9c9ddebc20bd61571db6d23ff660a67a3485 /net/ipv6/netfilter | |
| parent | inet: frag: constify match, hashfn and constructor arguments (diff) | |
| download | linux-dev-fb3cfe6e75b9d05c87265e85e67d7caf6e5b44a7.tar.xz linux-dev-fb3cfe6e75b9d05c87265e85e67d7caf6e5b44a7.zip | |
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/netfilter')
| -rw-r--r-- | net/ipv6/netfilter/nf_conntrack_reasm.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index c2c3f2116bc5..607e4a94ef41 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -147,12 +147,9 @@ static inline u8 ip6_frag_ecn(const struct ipv6hdr *ipv6h) static unsigned int nf_hash_frag(__be32 id, const struct in6_addr *saddr, const struct in6_addr *daddr) { - u32 c; - net_get_random_once(&nf_frags.rnd, sizeof(nf_frags.rnd)); - c = jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr), - (__force u32)id, nf_frags.rnd); - return c & (INETFRAGS_HASHSZ - 1); + return jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr), + (__force u32)id, nf_frags.rnd); } |