From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:32962 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728540AbfFLNdX (ORCPT ); Wed, 12 Jun 2019 09:33:23 -0400 From: David Hildenbrand Subject: [PATCH v3 3/4] s390/crypto: prng: Use -ENODEV instead of -EOPNOTSUPP Date: Wed, 12 Jun 2019 15:33:05 +0200 Message-Id: <20190612133306.10231-4-david@redhat.com> In-Reply-To: <20190612133306.10231-1-david@redhat.com> References: <20190612133306.10231-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-s390-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org Cc: linux-s390@vger.kernel.org, linux-crypto@vger.kernel.org, David Hildenbrand , Herbert Xu , "David S. Miller" , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Harald Freudenberger , Cornelia Huck Let's use the error value that is typically used if HW support is not available when trying to load a module - this is also what systemd's systemd-modules-load.service expects. Reviewed-by: Cornelia Huck Reviewed-by: Harald Freudenberger Signed-off-by: David Hildenbrand --- arch/s390/crypto/prng.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index 12cca467af7d..d977643fa627 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -824,7 +824,7 @@ static int __init prng_init(void) /* check if the CPU has a PRNG */ if (!cpacf_query_func(CPACF_KMC, CPACF_KMC_PRNG)) - return -EOPNOTSUPP; + return -ENODEV; /* check if TRNG subfunction is available */ if (cpacf_query_func(CPACF_PRNO, CPACF_PRNO_TRNG)) @@ -837,7 +837,7 @@ static int __init prng_init(void) if (prng_mode == PRNG_MODE_SHA512) { pr_err("The prng module cannot " "start in SHA-512 mode\n"); - return -EOPNOTSUPP; + return -ENODEV; } prng_mode = PRNG_MODE_TDES; } else -- 2.21.0