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authorDavid Hildenbrand <david@redhat.com>2019-06-12 15:33:05 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2019-06-15 12:24:44 +0200
commitba6a98fe79b416541d11d6d4a89ba8d86b5409a2 (patch)
treec501b8a177dafdf817faced9d04c0bf87b6c1067 /arch/s390/crypto/prng.c
parent1c0908fcdaeb35ff200241280518fbe356f11e57 (diff)
downloadlinux-sh-ba6a98fe79b416541d11d6d4a89ba8d86b5409a2.tar.gz
s390/crypto: prng: Use -ENODEV instead of -EOPNOTSUPP
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 <cohuck@redhat.com> Reviewed-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/s390/crypto/prng.c')
-rw-r--r--arch/s390/crypto/prng.c4
1 files 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