[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>hifive-unleashed-5.1
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@ -336,6 +336,5 @@ out:
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void crypto_exit_cipher_ops(struct crypto_tfm *tfm)
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void crypto_exit_cipher_ops(struct crypto_tfm *tfm)
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{
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{
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if (tfm->crt_cipher.cit_iv)
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kfree(tfm->crt_cipher.cit_iv);
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kfree(tfm->crt_cipher.cit_iv);
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}
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}
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@ -49,8 +49,7 @@ int crypto_alloc_hmac_block(struct crypto_tfm *tfm)
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void crypto_free_hmac_block(struct crypto_tfm *tfm)
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void crypto_free_hmac_block(struct crypto_tfm *tfm)
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{
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{
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if (tfm->crt_digest.dit_hmac_block)
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kfree(tfm->crt_digest.dit_hmac_block);
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kfree(tfm->crt_digest.dit_hmac_block);
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}
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}
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void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen)
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void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen)
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