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Merge remote-tracking branch 'remotes/amit-virtio-rng/for-2.1' into staging

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* remotes/amit-virtio-rng/for-2.1:
  virtio-rng: Add human-readable error message for negative max-bytes parameter

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-07-22 13:16:04 +01:00
commit b64c670f1d
1 changed files with 7 additions and 1 deletions
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8
hw/virtio/virtio-rng.c
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@ -181,7 +181,13 @@ static void virtio_rng_device_realize(DeviceState *dev, Error **errp)
vrng->vq = virtio_add_queue(vdev, 8, handle_input);
assert(vrng->conf.max_bytes <= INT64_MAX);
/* Workaround: Property parsing does not enforce unsigned integers,
* So this is a hack to reject such numbers. */
if (vrng->conf.max_bytes > INT64_MAX) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "max-bytes",
"a non-negative integer below 2^63");
return;
}
vrng->quota_remaining = vrng->conf.max_bytes;
vrng->rate_limit_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL,