From: Marek Olšák <[email protected]>
---
src/util/slab.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/util/slab.c b/src/util/slab.c
index 4264814..4ce0e9a 100644
--- a/src/util/slab.c
+++ b/src/util/slab.c
@@ -133,20 +133,23 @@ void slab_create_child(struct slab_child_pool *pool,
}
/**
* Destroy the child pool.
*
* Pages associated to the pool will be orphaned. They are eventually freed
* when all objects in them are freed.
*/
void slab_destroy_child(struct slab_child_pool *pool)
{
+ if (!pool->parent)
+ return; /* the slab probably wasn't even created */
+
mtx_lock(&pool->parent->mutex);
while (pool->pages) {
struct slab_page_header *page = pool->pages;
pool->pages = page->u.next;
p_atomic_set(&page->u.num_remaining, pool->parent->num_elements);
for (unsigned i = 0; i < pool->parent->num_elements; ++i) {
struct slab_element_header *elt = slab_get_element(pool->parent,
page, i);
p_atomic_set(&elt->owner, (intptr_t)page | 1);
--
2.7.4
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