diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 9d8161f..ac46405 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -116,9 +116,10 @@ static struct debug_obj *lookup_object(void *addr, struct debug_bucket *b)
 static struct debug_obj *
 alloc_object(void *addr, struct debug_bucket *b, struct debug_obj_descr *descr)
 {
+	unsigned long flags;
 	struct debug_obj *obj = NULL;
 
-	spin_lock(&pool_lock);
+	spin_lock_irqsave(&pool_lock, flags);
 	if (obj_pool.first) {
 		obj	    = hlist_entry(obj_pool.first, typeof(*obj), node);
 
@@ -137,7 +138,7 @@ alloc_object(void *addr, struct debug_bucket *b, struct debug_obj_descr *descr)
 		if (obj_pool_free < obj_pool_min_free)
 			obj_pool_min_free = obj_pool_free;
 	}
-	spin_unlock(&pool_lock);
+	spin_unlock_irqrestore(&pool_lock, flags);
 
 	return obj;
 }
@@ -147,18 +148,19 @@ alloc_object(void *addr, struct debug_bucket *b, struct debug_obj_descr *descr)
  */
 static void free_object(struct debug_obj *obj)
 {
+	unsigned long flags;
 	unsigned long idx = (unsigned long)(obj - obj_static_pool);
 
 	if (obj_pool_free < ODEBUG_POOL_SIZE || idx < ODEBUG_POOL_SIZE) {
-		spin_lock(&pool_lock);
+		spin_lock_irqsave(&pool_lock, flags);
 		hlist_add_head(&obj->node, &obj_pool);
 		obj_pool_free++;
 		obj_pool_used--;
-		spin_unlock(&pool_lock);
+		spin_unlock_irqrestore(&pool_lock, flags);
 	} else {
-		spin_lock(&pool_lock);
+		spin_lock_irqsave(&pool_lock, flags);
 		obj_pool_used--;
-		spin_unlock(&pool_lock);
+		spin_unlock_irqrestore(&pool_lock, flags);
 		kmem_cache_free(obj_cache, obj);
 	}
 }