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hw/misc/nrf51_rng: Use qemu_guest_getrandom_nofail

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The random number is intended for use by the guest.  As such, we should
honor the -seed argument for reproducibility.  Use the *_nofail routine
instead of error_abort directly.

Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-03-14 15:43:01 -07:00
parent 9d44cb5b2a
commit 19173fd335
1 changed files with 2 additions and 2 deletions
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4
hw/misc/nrf51_rng.c
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@ -14,7 +14,7 @@
#include "qapi/error.h"
#include "hw/arm/nrf51.h"
#include "hw/misc/nrf51_rng.h"
#include "crypto/random.h"
#include "qemu/guest-random.h"
static void update_irq(NRF51RNGState *s)
{
@ -145,7 +145,7 @@ static void nrf51_rng_timer_expire(void *opaque)
{
NRF51RNGState *s = NRF51_RNG(opaque);
qcrypto_random_bytes(&s->value, 1, &error_abort);
qemu_guest_getrandom_nofail(&s->value, 1);
s->event_valrdy = 1;
qemu_set_irq(s->eep_valrdy, 1);