crypto: inside-secure - Use PTR_ERR_OR_ZERO() to simplify code

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c
index c029956..08cb495 100644 (file)
--- 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)