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fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git]
/
lib
/
klist.c
diff --git
a/lib/klist.c
b/lib/klist.c
index
9c94f0b
..
120bd17
100644
(file)
--- a/
lib/klist.c
+++ b/
lib/klist.c
@@
-123,12
+123,10
@@
EXPORT_SYMBOL_GPL(klist_add_tail);
static void klist_release(struct kref * kref)
{
struct klist_node * n = container_of(kref, struct klist_node, n_ref);
static void klist_release(struct kref * kref)
{
struct klist_node * n = container_of(kref, struct klist_node, n_ref);
- void (*put)(struct klist_node *) = n->n_klist->put;
+
list_del(&n->n_node);
complete(&n->n_removed);
n->n_klist = NULL;
list_del(&n->n_node);
complete(&n->n_removed);
n->n_klist = NULL;
- if (put)
- put(n);
}
static int klist_dec_and_del(struct klist_node * n)
}
static int klist_dec_and_del(struct klist_node * n)
@@
-145,10
+143,14
@@
static int klist_dec_and_del(struct klist_node * n)
void klist_del(struct klist_node * n)
{
struct klist * k = n->n_klist;
void klist_del(struct klist_node * n)
{
struct klist * k = n->n_klist;
+ void (*put)(struct klist_node *) = k->put;
spin_lock(&k->k_lock);
spin_lock(&k->k_lock);
- klist_dec_and_del(n);
+ if (!klist_dec_and_del(n))
+ put = NULL;
spin_unlock(&k->k_lock);
spin_unlock(&k->k_lock);
+ if (put)
+ put(n);
}
EXPORT_SYMBOL_GPL(klist_del);
}
EXPORT_SYMBOL_GPL(klist_del);
@@
-161,10
+163,7
@@
EXPORT_SYMBOL_GPL(klist_del);
void klist_remove(struct klist_node * n)
{
void klist_remove(struct klist_node * n)
{
- struct klist * k = n->n_klist;
- spin_lock(&k->k_lock);
- klist_dec_and_del(n);
- spin_unlock(&k->k_lock);
+ klist_del(n);
wait_for_completion(&n->n_removed);
}
wait_for_completion(&n->n_removed);
}
@@
-260,12
+259,15
@@
static struct klist_node * to_klist_node(struct list_head * n)
struct klist_node * klist_next(struct klist_iter * i)
{
struct list_head * next;
struct klist_node * klist_next(struct klist_iter * i)
{
struct list_head * next;
+ struct klist_node * lnode = i->i_cur;
struct klist_node * knode = NULL;
struct klist_node * knode = NULL;
+ void (*put)(struct klist_node *) = i->i_klist->put;
spin_lock(&i->i_klist->k_lock);
spin_lock(&i->i_klist->k_lock);
- if (i->i_cur) {
- next = i->i_cur->n_node.next;
- klist_dec_and_del(i->i_cur);
+ if (lnode) {
+ next = lnode->n_node.next;
+ if (!klist_dec_and_del(lnode))
+ put = NULL;
} else
next = i->i_head->next;
} else
next = i->i_head->next;
@@
-275,6
+277,8
@@
struct klist_node * klist_next(struct klist_iter * i)
}
i->i_cur = knode;
spin_unlock(&i->i_klist->k_lock);
}
i->i_cur = knode;
spin_unlock(&i->i_klist->k_lock);
+ if (put && lnode)
+ put(lnode);
return knode;
}
return knode;
}