[CRYPTO] Don't check for NULL before kfree()

Checking a pointer for NULL before calling kfree() on it is redundant.
This patch removes such checks from crypto/

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Juhl 2005-07-06 13:51:00 -07:00 committed by David S. Miller
parent b463448481
commit 8279dd748f
2 changed files with 2 additions and 4 deletions

View File

@ -336,6 +336,5 @@ out:
void crypto_exit_cipher_ops(struct crypto_tfm *tfm)
{
if (tfm->crt_cipher.cit_iv)
kfree(tfm->crt_cipher.cit_iv);
kfree(tfm->crt_cipher.cit_iv);
}

View File

@ -49,8 +49,7 @@ int crypto_alloc_hmac_block(struct crypto_tfm *tfm)
void crypto_free_hmac_block(struct crypto_tfm *tfm)
{
if (tfm->crt_digest.dit_hmac_block)
kfree(tfm->crt_digest.dit_hmac_block);
kfree(tfm->crt_digest.dit_hmac_block);
}
void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen)