crypto: api - Use kzfree
Use kzfree() instead of memset() + kfree().
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/api.c b/crypto/api.c
index fd2545d..f500fb8 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -580,20 +580,17 @@
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);