diff --git a/crypto/ahash.c b/crypto/ahash.c index c77717fcea8e..61e374d76b04 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -511,6 +511,18 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg) return crypto_alg_extsize(alg); } +static void crypto_ahash_free_instance(struct crypto_instance *inst) +{ + struct ahash_instance *ahash = ahash_instance(inst); + + if (!ahash->free) { + inst->tmpl->free(inst); + return; + } + + ahash->free(ahash); +} + #ifdef CONFIG_NET static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg) { @@ -547,6 +559,7 @@ static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) static const struct crypto_type crypto_ahash_type = { .extsize = crypto_ahash_extsize, .init_tfm = crypto_ahash_init_tfm, + .free = crypto_ahash_free_instance, #ifdef CONFIG_PROC_FS .show = crypto_ahash_show, #endif 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 diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index c84b7cb29887..c550386221bb 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -30,6 +30,7 @@ struct crypto_hash_walk { }; struct ahash_instance { + void (*free)(struct ahash_instance *inst); union { struct { char head[offsetof(struct ahash_alg, halg.base)]; @@ -40,6 +41,7 @@ struct ahash_instance { }; struct shash_instance { + void (*free)(struct shash_instance *inst); union { struct { char head[offsetof(struct shash_alg, base)];