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backends/cryptodev: Do not ignore throttle/backends Errors 

Both cryptodev_backend_set_throttle() and CryptoDevBackendClass::init()
can set their Error** argument. Do not ignore them, return early
on failure. Without that, running into another failure trips
error_setv()'s assertion. Use the ERRP_GUARD() macro as suggested
in commit ae7c80a7bd ("error: New macro ERRP_GUARD()").

Cc: qemu-stable@nongnu.org
Fixes: e7a775fd9f ("cryptodev: Account statistics")
Fixes: 2580b452ff ("cryptodev: support QoS")
Reviewed-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231120150418.93443-1-philmd@linaro.org>
(cherry picked from commit 484aecf2d3)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Philippe Mathieu-Daudé 2023-11-20 15:54:16 +01:00 committed by Michael Tokarev
parent 7b03b125ee
commit a8988972cd
1 changed files with 10 additions and 0 deletions
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10
backends/cryptodev.c
View File

@ -398,6 +398,7 @@ static void cryptodev_backend_set_ops(Object *obj, Visitor *v,
static void
cryptodev_backend_complete(UserCreatable *uc, Error **errp)
{
ERRP_GUARD();
CryptoDevBackend *backend = CRYPTODEV_BACKEND(uc);
CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_GET_CLASS(uc);
uint32_t services;
@ -406,11 +407,20 @@ cryptodev_backend_complete(UserCreatable *uc, Error **errp)
QTAILQ_INIT(&backend->opinfos);
value = backend->tc.buckets[THROTTLE_OPS_TOTAL].avg;
cryptodev_backend_set_throttle(backend, THROTTLE_OPS_TOTAL, value, errp);
if (*errp) {
return;
}
value = backend->tc.buckets[THROTTLE_BPS_TOTAL].avg;
cryptodev_backend_set_throttle(backend, THROTTLE_BPS_TOTAL, value, errp);
if (*errp) {
return;
}
if (bc->init) {
bc->init(backend, errp);
if (*errp) {
return;
}
}
services = backend->conf.crypto_services;