diff options
| author | Florian Westphal <fw@strlen.de> | 2013-12-19 18:25:14 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-12-20 10:21:40 +0100 |
| commit | a42b99a6e329654d376b330de057eff87686d890 (patch) | |
| tree | 6c03a35feddd49e54e19b89576f0b6818b7bb1a7 /net/netfilter/xt_hashlimit.c | |
| parent | 8cf4d6a224a0226987d9cba69cb46d93814fe449 (diff) | |
netfilter: avoid get_random_bytes calls
All these users need an initial seed value for jhash, prandom is
perfectly fine. This avoids draining the entropy pool where
its not strictly required.
nfnetlink_log did not use the random value at all.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/xt_hashlimit.c')
| -rw-r--r-- | net/netfilter/xt_hashlimit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 9ff035c71403..a83a35c81150 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -177,7 +177,7 @@ dsthash_alloc_init(struct xt_hashlimit_htable *ht, /* initialize hash with random val at the time we allocate * the first hashtable entry */ if (unlikely(!ht->rnd_initialized)) { - get_random_bytes(&ht->rnd, sizeof(ht->rnd)); + ht->rnd = prandom_u32(); ht->rnd_initialized = true; } |