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-rw-r--r--lib/rhashtable.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index a2c78810ebc1..16d02639d334 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -23,7 +23,6 @@
#include <linux/hash.h>
#include <linux/random.h>
#include <linux/rhashtable.h>
-#include <linux/log2.h>
#define HASH_DEFAULT_SIZE 64UL
#define HASH_MIN_SIZE 4UL
@@ -589,13 +588,13 @@ EXPORT_SYMBOL_GPL(rhashtable_init);
* rhashtable_destroy - destroy hash table
* @ht: the hash table to destroy
*
- * Frees the bucket array.
+ * Frees the bucket array. This function is not rcu safe, therefore the caller
+ * has to make sure that no resizing may happen by unpublishing the hashtable
+ * and waiting for the quiescent cycle before releasing the bucket array.
*/
void rhashtable_destroy(const struct rhashtable *ht)
{
- const struct bucket_table *tbl = rht_dereference(ht->tbl, ht);
-
- bucket_table_free(tbl);
+ bucket_table_free(ht->tbl);
}
EXPORT_SYMBOL_GPL(rhashtable_destroy);