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crypto: arm64/aes - 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 <zhongjiang@huawei.com>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
zhong jiang 2019-09-03 14:54:16 +08:00 committed by Herbert Xu
parent c75c66bbaa
commit 7b865ec15e
1 changed files with 1 additions and 3 deletions
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4
arch/arm64/crypto/aes-glue.c
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@ -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)