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lua-lsm: skip empty kvcache dict free #23

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lua-lsm: skip empty kvcache dict free #23

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3 changes: 3 additions & 0 deletions security/lua/kvcache.c
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Original file line number Diff line number Diff line change
Expand Up @@ -450,6 +450,9 @@ void kvcache_dict_free(struct kvcache_dict *dict)
struct kvcache_node *node, *n;
struct lua_lsm_module *module;

if (atomic_read(&dict->count) == 0)
return;

spin_lock_bh(&nodes_gc_lock);
RB_FOREACH(node, kvcache, &dict->root) {
module = node->module;
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