diff options
Diffstat (limited to 'net/ipv6/reassembly.c')
| -rw-r--r-- | net/ipv6/reassembly.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 1aeb473b2cc6..cc85a9ba5010 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -82,24 +82,24 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, * callers should be careful not to use the hash value outside the ipfrag_lock * as doing so could race with ipfrag_hash_rnd being recalculated. */ -unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr, - const struct in6_addr *daddr, u32 rnd) +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, rnd); + (__force u32)id, ip6_frags.rnd); return c & (INETFRAGS_HASHSZ - 1); } -EXPORT_SYMBOL_GPL(inet6_hash_frag); static unsigned int ip6_hashfn(struct inet_frag_queue *q) { struct frag_queue *fq; fq = container_of(q, struct frag_queue, q); - return inet6_hash_frag(fq->id, &fq->saddr, &fq->daddr, ip6_frags.rnd); + return inet6_hash_frag(fq->id, &fq->saddr, &fq->daddr); } bool ip6_frag_match(struct inet_frag_queue *q, void *a) @@ -193,7 +193,7 @@ fq_find(struct net *net, __be32 id, const struct in6_addr *src, arg.ecn = ecn; read_lock(&ip6_frags.lock); - hash = inet6_hash_frag(id, src, dst, ip6_frags.rnd); + hash = inet6_hash_frag(id, src, dst); q = inet_frag_find(&net->ipv6.frags, &ip6_frags, &arg, hash); if (IS_ERR_OR_NULL(q)) { |