diff options
Diffstat (limited to 'net/batman-adv/hash.c')
| -rw-r--r-- | net/batman-adv/hash.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/net/batman-adv/hash.c b/net/batman-adv/hash.c index 26e623eb9de..c5213d8f2cc 100644 --- a/net/batman-adv/hash.c +++ b/net/batman-adv/hash.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2010 B.A.T.M.A.N. contributors: + * Copyright (C) 2006-2011 B.A.T.M.A.N. contributors: * * Simon Wunderlich, Marek Lindner * @@ -27,13 +27,16 @@ static void hash_init(struct hashtable_t *hash) { int i; - for (i = 0 ; i < hash->size; i++) + for (i = 0 ; i < hash->size; i++) { INIT_HLIST_HEAD(&hash->table[i]); + spin_lock_init(&hash->list_locks[i]); + } } /* free only the hashtable and the hash itself. */ void hash_destroy(struct hashtable_t *hash) { + kfree(hash->list_locks); kfree(hash->table); kfree(hash); } @@ -43,20 +46,25 @@ struct hashtable_t *hash_new(int size) { struct hashtable_t *hash; - hash = kmalloc(sizeof(struct hashtable_t) , GFP_ATOMIC); - + hash = kmalloc(sizeof(struct hashtable_t), GFP_ATOMIC); if (!hash) return NULL; - hash->size = size; hash->table = kmalloc(sizeof(struct element_t *) * size, GFP_ATOMIC); + if (!hash->table) + goto free_hash; - if (!hash->table) { - kfree(hash); - return NULL; - } + hash->list_locks = kmalloc(sizeof(spinlock_t) * size, GFP_ATOMIC); + if (!hash->list_locks) + goto free_table; + hash->size = size; hash_init(hash); - return hash; + +free_table: + kfree(hash->table); +free_hash: + kfree(hash); + return NULL; } |