[PATCH v2 3/4] s390/crypto: prng: Use -ENODEV instead of -EOPNOTSUPP

David Hildenbrand
2019-06-12T10:23:04Z

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.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
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