2017-08-27 06:23:17

by Himanshu Jha

Subject: [PATCH] crypto: Use PTR_ERR_ZERO

Use PTR_ERROR_ZERO rather than if(IS_ERR(...)) + PTR_ERR.
Build successfully.

Signed-off-by: Himanshu Jha <[email protected]>
---
drivers/crypto/marvell/tdma.c | 5 +----
drivers/crypto/mv_cesa.c | 5 +----
drivers/crypto/qce/ablkcipher.c | 5 +----
3 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/crypto/marvell/tdma.c b/drivers/crypto/marvell/tdma.c
index c76375f..d0ef171 100644
--- a/drivers/crypto/marvell/tdma.c
+++ b/drivers/crypto/marvell/tdma.c
@@ -304,10 +304,7 @@ int mv_cesa_dma_add_dummy_launch(struct mv_cesa_tdma_chain *chain, gfp_t flags)
struct mv_cesa_tdma_desc *tdma;

tdma = mv_cesa_dma_add_desc(chain, flags);
- if (IS_ERR(tdma))
- return PTR_ERR(tdma);
-
- return 0;
+ return PTR_ERR_OR_ZERO(tdma);
}

int mv_cesa_dma_add_dummy_end(struct mv_cesa_tdma_chain *chain, gfp_t flags)
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index bf25f41..c3883b4 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -1052,10 +1052,7 @@ static int mv_cesa_get_sram(struct platform_device *pdev,
return -EINVAL;

cp->sram = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(cp->sram))
- return PTR_ERR(cp->sram);
-
- return 0;
+ return PTR_ERR_OR_ZERO(cp->sram);
}

static int mv_probe(struct platform_device *pdev)
diff --git a/drivers/crypto/qce/ablkcipher.c b/drivers/crypto/qce/ablkcipher.c
index b04b42f..ea4d96b 100644
--- a/drivers/crypto/qce/ablkcipher.c
+++ b/drivers/crypto/qce/ablkcipher.c
@@ -248,10 +248,7 @@ static int qce_ablkcipher_init(struct crypto_tfm *tfm)
ctx->fallback = crypto_alloc_skcipher(crypto_tfm_alg_name(tfm), 0,
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_NEED_FALLBACK);
- if (IS_ERR(ctx->fallback))
- return PTR_ERR(ctx->fallback);
-
- return 0;
+ return PTR_ERR_OR_ZERO(ctx->fallback);
}

static void qce_ablkcipher_exit(struct crypto_tfm *tfm)
--
2.7.4

2017-09-22 10:16:07

by Herbert Xu

Subject: Re: [PATCH] crypto: Use PTR_ERR_ZERO

On Sun, Aug 27, 2017 at 11:52:48AM +0530, Himanshu Jha wrote:
> Use PTR_ERROR_ZERO rather than if(IS_ERR(...)) + PTR_ERR.
> Build successfully.
>
> Signed-off-by: Himanshu Jha <[email protected]>

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