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 <zhongjiang@xxxxxxxxxx> >> --- >> 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 <will@xxxxxxxxxx> Thanks. Sincerely, zhong jiang > Assuming this will go via Herbert. > > Will > > . >