diff options
Diffstat (limited to 'lib/rhashtable.c')
| -rw-r--r-- | lib/rhashtable.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 30526afa8343..0a105d4af166 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -682,7 +682,7 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_enter); * rhashtable_walk_exit - Free an iterator * @iter: Hash table Iterator * - * This function frees resources allocated by rhashtable_walk_init. + * This function frees resources allocated by rhashtable_walk_enter. */ void rhashtable_walk_exit(struct rhashtable_iter *iter) { @@ -1179,8 +1179,7 @@ struct rhash_head __rcu **rht_bucket_nested(const struct bucket_table *tbl, unsigned int hash) { const unsigned int shift = PAGE_SHIFT - ilog2(sizeof(void *)); - static struct rhash_head __rcu *rhnull = - (struct rhash_head __rcu *)NULLS_MARKER(0); + static struct rhash_head __rcu *rhnull; unsigned int index = hash & ((1 << tbl->nest) - 1); unsigned int size = tbl->size >> tbl->nest; unsigned int subhash = hash; @@ -1198,8 +1197,11 @@ struct rhash_head __rcu **rht_bucket_nested(const struct bucket_table *tbl, subhash >>= shift; } - if (!ntbl) + if (!ntbl) { + if (!rhnull) + INIT_RHT_NULLS_HEAD(rhnull); return &rhnull; + } return &ntbl[subhash].bucket; |