Commit ba6a98fe authored Jun 12, 2019 by David Hildenbrand Committed by Heiko Carstens Jun 15, 2019

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>

parent 1c0908fc

arch/s390/crypto/prng.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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