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-rw-r--r--crypto/shash.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 4d6ccb59e126..2f6adb49727b 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -423,6 +423,18 @@ static int crypto_shash_init_tfm(struct crypto_tfm *tfm)
return 0;
}
+static void crypto_shash_free_instance(struct crypto_instance *inst)
+{
+ struct shash_instance *shash = shash_instance(inst);
+
+ if (!shash->free) {
+ inst->tmpl->free(inst);
+ return;
+ }
+
+ shash->free(shash);
+}
+
#ifdef CONFIG_NET
static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
{
@@ -459,6 +471,7 @@ static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
static const struct crypto_type crypto_shash_type = {
.extsize = crypto_alg_extsize,
.init_tfm = crypto_shash_init_tfm,
+ .free = crypto_shash_free_instance,
#ifdef CONFIG_PROC_FS
.show = crypto_shash_show,
#endif