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Diffstat (limited to 'net/tipc/ref.c')
-rw-r--r--net/tipc/ref.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/net/tipc/ref.c b/net/tipc/ref.c
index 9e37b7812c3..5cada0e38e0 100644
--- a/net/tipc/ref.c
+++ b/net/tipc/ref.c
@@ -43,7 +43,6 @@
* @lock: spinlock controlling access to object
* @ref: reference value for object (combines instance & array index info)
*/
-
struct reference {
void *object;
spinlock_t lock;
@@ -60,7 +59,6 @@ struct reference {
* @index_mask: bitmask for array index portion of reference values
* @start_mask: initial value for instance value portion of reference values
*/
-
struct ref_table {
struct reference *entries;
u32 capacity;
@@ -96,7 +94,6 @@ static DEFINE_RWLOCK(ref_table_lock);
/**
* tipc_ref_table_init - create reference table for objects
*/
-
int tipc_ref_table_init(u32 requested_size, u32 start)
{
struct reference *table;
@@ -109,7 +106,6 @@ int tipc_ref_table_init(u32 requested_size, u32 start)
/* do nothing */ ;
/* allocate table & mark all entries as uninitialized */
-
table = vzalloc(actual_size * sizeof(struct reference));
if (table == NULL)
return -ENOMEM;
@@ -128,7 +124,6 @@ int tipc_ref_table_init(u32 requested_size, u32 start)
/**
* tipc_ref_table_stop - destroy reference table for objects
*/
-
void tipc_ref_table_stop(void)
{
if (!tipc_ref_table.entries)
@@ -149,7 +144,6 @@ void tipc_ref_table_stop(void)
* register a partially initialized object, without running the risk that
* the object will be accessed before initialization is complete.
*/
-
u32 tipc_ref_acquire(void *object, spinlock_t **lock)
{
u32 index;
@@ -168,7 +162,6 @@ u32 tipc_ref_acquire(void *object, spinlock_t **lock)
}
/* take a free entry, if available; otherwise initialize a new entry */
-
write_lock_bh(&ref_table_lock);
if (tipc_ref_table.first_free) {
index = tipc_ref_table.first_free;
@@ -211,7 +204,6 @@ u32 tipc_ref_acquire(void *object, spinlock_t **lock)
* Disallow future references to an object and free up the entry for re-use.
* Note: The entry's spin_lock may still be busy after discard
*/
-
void tipc_ref_discard(u32 ref)
{
struct reference *entry;
@@ -242,12 +234,10 @@ void tipc_ref_discard(u32 ref)
* mark entry as unused; increment instance part of entry's reference
* to invalidate any subsequent references
*/
-
entry->object = NULL;
entry->ref = (ref & ~index_mask) + (index_mask + 1);
/* append entry to free entry list */
-
if (tipc_ref_table.first_free == 0)
tipc_ref_table.first_free = index;
else
@@ -261,7 +251,6 @@ exit:
/**
* tipc_ref_lock - lock referenced object and return pointer to it
*/
-
void *tipc_ref_lock(u32 ref)
{
if (likely(tipc_ref_table.entries)) {
@@ -283,7 +272,6 @@ void *tipc_ref_lock(u32 ref)
/**
* tipc_ref_deref - return pointer referenced object (without locking it)
*/
-
void *tipc_ref_deref(u32 ref)
{
if (likely(tipc_ref_table.entries)) {
@@ -296,4 +284,3 @@ void *tipc_ref_deref(u32 ref)
}
return NULL;
}
-