[patch 2/8] crypto: use kzfree()

[Johannes Weiner]

Use kzfree() instead of memset() + kfree().

Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---
 crypto/api.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/crypto/api.c
+++ b/crypto/api.c
@@ -569,20 +569,17 @@ EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
 void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm)
 {
 	struct crypto_alg *alg;
-	int size;
 
 	if (unlikely(!mem))
 		return;
 
 	alg = tfm->__crt_alg;
-	size = ksize(mem);
 
 	if (!tfm->exit && alg->cra_exit)
 		alg->cra_exit(tfm);
 	crypto_exit_ops(tfm);
 	crypto_mod_put(alg);
-	memset(mem, 0, size);
-	kfree(mem);
+	kzfree(mem);
 }
 EXPORT_SYMBOL_GPL(crypto_destroy_tfm);
 


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