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From:   zhengbin <zhengbin13@huawei.com>
To:     <antoine.tenart@bootlin.com>, <herbert@gondor.apana.org.au>,
        <davem@davemloft.net>, <linux-crypto@vger.kernel.org>
CC:     <zhengbin13@huawei.com>
Subject: [PATCH -next] crypto: inside-secure: Use PTR_ERR_OR_ZERO() to simplify code
Date:   Mon, 18 Nov 2019 18:53:56 +0800
Message-ID: <1574074436-32134-1-git-send-email-zhengbin13@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-crypto-owner@vger.kernel.org
Precedence: bulk

Fixes coccicheck warning:

drivers/crypto/inside-secure/safexcel_cipher.c:2534:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
---
 drivers/crypto/inside-secure/safexcel_cipher.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c
index c029956..08cb495 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -2532,10 +2532,7 @@ static int safexcel_aead_gcm_cra_init(struct crypto_tfm *tfm)
 	ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_XCM; /* override default */

 	ctx->hkaes = crypto_alloc_cipher("aes", 0, 0);
-	if (IS_ERR(ctx->hkaes))
-		return PTR_ERR(ctx->hkaes);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(ctx->hkaes);
 }

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