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crypto: api - Use kzfree

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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>
This commit is contained in:
Johannes Weiner 2009-03-29 15:20:48 +08:00 committed by Herbert Xu
parent 376bacb0a2
commit 811d8f0626
1 changed files with 1 additions and 4 deletions
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5
crypto/api.c
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@ -580,20 +580,17 @@ EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm) void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm)
{ {
struct crypto_alg *alg; struct crypto_alg *alg;
int size;
if (unlikely(!mem)) if (unlikely(!mem))
return; return;
alg = tfm->__crt_alg; alg = tfm->__crt_alg;
size = ksize(mem);
if (!tfm->exit && alg->cra_exit) if (!tfm->exit && alg->cra_exit)
alg->cra_exit(tfm); alg->cra_exit(tfm);
crypto_exit_ops(tfm); crypto_exit_ops(tfm);
crypto_mod_put(alg); crypto_mod_put(alg);
memset(mem, 0, size); kzfree(mem);
kfree(mem);
} }
EXPORT_SYMBOL_GPL(crypto_destroy_tfm); EXPORT_SYMBOL_GPL(crypto_destroy_tfm);