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Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/messaging.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index 2d8dbce9d485..46c4dd8dfcc3 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -31,9 +31,9 @@ static struct mutex ecryptfs_msg_ctx_lists_mux;
31 31
32static struct hlist_head *ecryptfs_daemon_hash; 32static struct hlist_head *ecryptfs_daemon_hash;
33struct mutex ecryptfs_daemon_hash_mux; 33struct mutex ecryptfs_daemon_hash_mux;
34static int ecryptfs_hash_buckets; 34static int ecryptfs_hash_bits;
35#define ecryptfs_uid_hash(uid) \ 35#define ecryptfs_uid_hash(uid) \
36 hash_long((unsigned long)uid, ecryptfs_hash_buckets) 36 hash_long((unsigned long)uid, ecryptfs_hash_bits)
37 37
38static u32 ecryptfs_msg_counter; 38static u32 ecryptfs_msg_counter;
39static struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr; 39static struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr;
@@ -486,18 +486,19 @@ int ecryptfs_init_messaging(void)
486 } 486 }
487 mutex_init(&ecryptfs_daemon_hash_mux); 487 mutex_init(&ecryptfs_daemon_hash_mux);
488 mutex_lock(&ecryptfs_daemon_hash_mux); 488 mutex_lock(&ecryptfs_daemon_hash_mux);
489 ecryptfs_hash_buckets = 1; 489 ecryptfs_hash_bits = 1;
490 while (ecryptfs_number_of_users >> ecryptfs_hash_buckets) 490 while (ecryptfs_number_of_users >> ecryptfs_hash_bits)
491 ecryptfs_hash_buckets++; 491 ecryptfs_hash_bits++;
492 ecryptfs_daemon_hash = kmalloc((sizeof(struct hlist_head) 492 ecryptfs_daemon_hash = kmalloc((sizeof(struct hlist_head)
493 * ecryptfs_hash_buckets), GFP_KERNEL); 493 * (1 << ecryptfs_hash_bits)),
494 GFP_KERNEL);
494 if (!ecryptfs_daemon_hash) { 495 if (!ecryptfs_daemon_hash) {
495 rc = -ENOMEM; 496 rc = -ENOMEM;
496 printk(KERN_ERR "%s: Failed to allocate memory\n", __func__); 497 printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
497 mutex_unlock(&ecryptfs_daemon_hash_mux); 498 mutex_unlock(&ecryptfs_daemon_hash_mux);
498 goto out; 499 goto out;
499 } 500 }
500 for (i = 0; i < ecryptfs_hash_buckets; i++) 501 for (i = 0; i < (1 << ecryptfs_hash_bits); i++)
501 INIT_HLIST_HEAD(&ecryptfs_daemon_hash[i]); 502 INIT_HLIST_HEAD(&ecryptfs_daemon_hash[i]);
502 mutex_unlock(&ecryptfs_daemon_hash_mux); 503 mutex_unlock(&ecryptfs_daemon_hash_mux);
503 ecryptfs_msg_ctx_arr = kmalloc((sizeof(struct ecryptfs_msg_ctx) 504 ecryptfs_msg_ctx_arr = kmalloc((sizeof(struct ecryptfs_msg_ctx)
@@ -554,7 +555,7 @@ void ecryptfs_release_messaging(void)
554 int i; 555 int i;
555 556
556 mutex_lock(&ecryptfs_daemon_hash_mux); 557 mutex_lock(&ecryptfs_daemon_hash_mux);
557 for (i = 0; i < ecryptfs_hash_buckets; i++) { 558 for (i = 0; i < (1 << ecryptfs_hash_bits); i++) {
558 int rc; 559 int rc;
559 560
560 hlist_for_each_entry(daemon, elem, 561 hlist_for_each_entry(daemon, elem,