2019-09-03 06:59:01

by zhong jiang

[permalink] [raw]
Subject: [PATCH] crypto: arm64: Use PTR_ERR_OR_ZERO rather than its implementation.

PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better to
use it directly. hence just replace it.

Signed-off-by: zhong jiang <[email protected]>
---
arch/arm64/crypto/aes-glue.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index ca0c84d..2a2e0a3 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -409,10 +409,8 @@ static int essiv_cbc_init_tfm(struct crypto_skcipher *tfm)
struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);

ctx->hash = crypto_alloc_shash("sha256", 0, 0);
- if (IS_ERR(ctx->hash))
- return PTR_ERR(ctx->hash);

- return 0;
+ return PTR_ERR_OR_ZERO(ctx->hash);
}

static void essiv_cbc_exit_tfm(struct crypto_skcipher *tfm)
--
1.7.12.4


2019-09-04 10:26:05

by Will Deacon

[permalink] [raw]
Subject: Re: [PATCH] crypto: arm64: Use PTR_ERR_OR_ZERO rather than its implementation.

On Tue, Sep 03, 2019 at 02:54:16PM +0800, zhong jiang wrote:
> PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better to
> use it directly. hence just replace it.
>
> Signed-off-by: zhong jiang <[email protected]>
> ---
> arch/arm64/crypto/aes-glue.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
> index ca0c84d..2a2e0a3 100644
> --- a/arch/arm64/crypto/aes-glue.c
> +++ b/arch/arm64/crypto/aes-glue.c
> @@ -409,10 +409,8 @@ static int essiv_cbc_init_tfm(struct crypto_skcipher *tfm)
> struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
>
> ctx->hash = crypto_alloc_shash("sha256", 0, 0);
> - if (IS_ERR(ctx->hash))
> - return PTR_ERR(ctx->hash);
>
> - return 0;
> + return PTR_ERR_OR_ZERO(ctx->hash);
> }
>
> static void essiv_cbc_exit_tfm(struct crypto_skcipher *tfm)

Acked-by: Will Deacon <[email protected]>

Assuming this will go via Herbert.

Will

2019-09-05 06:26:56

by zhong jiang

[permalink] [raw]
Subject: Re: [PATCH] crypto: arm64: Use PTR_ERR_OR_ZERO rather than its implementation.

On 2019/9/4 18:25, Will Deacon wrote:
> On Tue, Sep 03, 2019 at 02:54:16PM +0800, zhong jiang wrote:
>> PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better to
>> use it directly. hence just replace it.
>>
>> Signed-off-by: zhong jiang <[email protected]>
>> ---
>> arch/arm64/crypto/aes-glue.c | 4 +---
>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
>> index ca0c84d..2a2e0a3 100644
>> --- a/arch/arm64/crypto/aes-glue.c
>> +++ b/arch/arm64/crypto/aes-glue.c
>> @@ -409,10 +409,8 @@ static int essiv_cbc_init_tfm(struct crypto_skcipher *tfm)
>> struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
>>
>> ctx->hash = crypto_alloc_shash("sha256", 0, 0);
>> - if (IS_ERR(ctx->hash))
>> - return PTR_ERR(ctx->hash);
>>
>> - return 0;
>> + return PTR_ERR_OR_ZERO(ctx->hash);
>> }
>>
>> static void essiv_cbc_exit_tfm(struct crypto_skcipher *tfm)
> Acked-by: Will Deacon <[email protected]>
Thanks.

Sincerely,
zhong jiang
> Assuming this will go via Herbert.
>
> Will
>
> .
>


2019-09-09 14:49:26

by Herbert Xu

[permalink] [raw]
Subject: Re: [PATCH] crypto: arm64: Use PTR_ERR_OR_ZERO rather than its implementation.

On Tue, Sep 03, 2019 at 02:54:16PM +0800, zhong jiang wrote:
> PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better to
> use it directly. hence just replace it.
>
> Signed-off-by: zhong jiang <[email protected]>
> ---
> arch/arm64/crypto/aes-glue.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt