diff options
| author | Jason A. Donenfeld <[email protected]> | 2017-06-07 22:47:13 -0400 |
|---|---|---|
| committer | Theodore Ts'o <[email protected]> | 2017-06-19 22:06:28 -0400 |
| commit | d48ad080ec0101c2cca92926bed64993ab565c3d (patch) | |
| tree | 85a3211479e495739ba9a2763cf2a8095e70f87f | |
| parent | ae5b806a3d3c23d9d3b57aecbe687a0bd82ab086 (diff) | |
rhashtable: use get_random_u32 for hash_rnd
This is much faster and just as secure. It also has the added benefit of
probably returning better randomness at early-boot on systems with
architectural RNGs.
Signed-off-by: Jason A. Donenfeld <[email protected]>
Cc: Thomas Graf <[email protected]>
Cc: Herbert Xu <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
| -rw-r--r-- | lib/rhashtable.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index d9e7274a04cd..a1eb7c947f46 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -235,7 +235,7 @@ static struct bucket_table *bucket_table_alloc(struct rhashtable *ht, INIT_LIST_HEAD(&tbl->walkers); - get_random_bytes(&tbl->hash_rnd, sizeof(tbl->hash_rnd)); + tbl->hash_rnd = get_random_u32(); for (i = 0; i < nbuckets; i++) INIT_RHT_NULLS_HEAD(tbl->buckets[i], ht, i); |