| Message ID | a2afae2230881e0d21045247d2ab11d382eea203.1423097592.git.tgraf@suug.ch |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 0579191..71fd0dd 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -94,13 +94,7 @@ static u32 obj_raw_hashfn(const struct rhashtable *ht, const void *ptr) static u32 key_hashfn(struct rhashtable *ht, const void *key, u32 len) { - struct bucket_table *tbl = rht_dereference_rcu(ht->tbl, ht); - u32 hash; - - hash = ht->p.hashfn(key, len, ht->p.hash_rnd); - hash >>= HASH_RESERVED_SPACE; - - return rht_bucket_index(tbl, hash); + return ht->p.hashfn(key, len, ht->p.hash_rnd) >> HASH_RESERVED_SPACE; } static u32 head_hashfn(const struct rhashtable *ht,
The value computed by key_hashfn() is used by rhashtable_lookup_compare() to traverse both tables during a resize. key_hashfn() must therefore return the hash value without the buckets mask applied so it can be masked to the size of each individual table. Fixes: 97defe1ecf86 ("rhashtable: Per bucket locks & deferred expansion/shrinking") Signed-off-by: Thomas Graf <tgraf@suug.ch> --- lib/rhashtable.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)