cregit-Linux how code gets into the kernel

Release 4.11 net/batman-adv/hash.c

Directory: net/batman-adv
/* Copyright (C) 2006-2017  B.A.T.M.A.N. contributors:
 *
 * Simon Wunderlich, Marek Lindner
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "hash.h"
#include "main.h"

#include <linux/fs.h>
#include <linux/lockdep.h>
#include <linux/slab.h>

/* clears the hash */

static void batadv_hash_init(struct batadv_hashtable *hash) { u32 i; for (i = 0; i < hash->size; i++) { INIT_HLIST_HEAD(&hash->table[i]); spin_lock_init(&hash->list_locks[i]); } }

Contributors

PersonTokensPropCommitsCommitProp
Sven Eckelmann4075.47%480.00%
Marek Lindner1324.53%120.00%
Total53100.00%5100.00%

/* free only the hashtable and the hash itself. */
void batadv_hash_destroy(struct batadv_hashtable *hash) { kfree(hash->list_locks); kfree(hash->table); kfree(hash); }

Contributors

PersonTokensPropCommitsCommitProp
Sven Eckelmann2275.86%375.00%
Marek Lindner724.14%125.00%
Total29100.00%4100.00%

/* allocates and clears the hash */
struct batadv_hashtable *batadv_hash_new(u32 size) { struct batadv_hashtable *hash; hash = kmalloc(sizeof(*hash), GFP_ATOMIC); if (!hash) return NULL; hash->table = kmalloc_array(size, sizeof(*hash->table), GFP_ATOMIC); if (!hash->table) goto free_hash; hash->list_locks = kmalloc_array(size, sizeof(*hash->list_locks), GFP_ATOMIC); if (!hash->list_locks) goto free_table; hash->size = size; batadv_hash_init(hash); return hash; free_table: kfree(hash->table); free_hash: kfree(hash); return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Sven Eckelmann7861.42%675.00%
Marek Lindner4333.86%112.50%
Antonio Quartulli64.72%112.50%
Total127100.00%8100.00%


void batadv_hash_set_lock_class(struct batadv_hashtable *hash, struct lock_class_key *key) { u32 i; for (i = 0; i < hash->size; i++) lockdep_set_class(&hash->list_locks[i], key); }

Contributors

PersonTokensPropCommitsCommitProp
Sven Eckelmann46100.00%3100.00%
Total46100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Sven Eckelmann20574.82%981.82%
Marek Lindner6322.99%19.09%
Antonio Quartulli62.19%19.09%
Total274100.00%11100.00%
Directory: net/batman-adv
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.