Linux cryptographic layer development
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From: David Howells <dhowells@redhat.com>
To: Wei Yongjun <weiyj.lk@gmail.com>
Cc: dhowells@redhat.com, Herbert Xu <herbert@gondor.apana.org.au>,
	Wei Yongjun <weiyongjun1@huawei.com>,
	keyrings@vger.kernel.org, linux-crypto@vger.kernel.org
Subject: Re: [PATCH -next] crypto: asymmetric_keys - Fix error return code on failure
Date: Thu, 09 Feb 2017 16:57:56 +0000	[thread overview]
Message-ID: <27512.1486659476@warthog.procyon.org.uk> (raw)
In-Reply-To: <20170209155724.19737-1-weiyj.lk@gmail.com>

Wei Yongjun <weiyj.lk@gmail.com> wrote:

> --- a/crypto/asymmetric_keys/public_key.c
> +++ b/crypto/asymmetric_keys/public_key.c
> @@ -184,8 +184,10 @@ static int software_key_eds_op(struct kernel_pkey_params *params,
>  		return PTR_ERR(tfm);
>  
>  	req = akcipher_request_alloc(tfm, GFP_KERNEL);
> -	if (!req)
> +	if (!req) {
> +		ret = -ENOMEM;

Ummm...  What should I apply your patch to?

>  		goto error_free_tfm;
> +	}
>  
>  	if (pkey->key_is_private)
>  		ret = crypto_akcipher_set_priv_key(tfm,
> @@ -268,8 +270,10 @@ int public_key_verify_signature(const struct public_key *pkey,
>  		return PTR_ERR(tfm);
>  
>  	req = akcipher_request_alloc(tfm, GFP_KERNEL);
> -	if (!req)
> +	if (!req) {
> +		ret = -ENOMEM;
>  		goto error_free_tfm;

This shouldn't be necessary.  ret should already be -ENOMEM from
initialisation of the variable at the top of the function.

David

  reply	other threads:[~2017-02-09 16:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-09 15:57 [PATCH -next] crypto: asymmetric_keys - Fix error return code on failure Wei Yongjun
2017-02-09 16:57 ` David Howells [this message]
2017-02-10  2:11   ` weiyongjun (A)

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