Looks good to me. Thanks!

Reviewed-by: zhenwei pi <pizhen...@bytedance.com>

On 11/20/23 23:04, Philippe Mathieu-Daudé wrote:
Both cryptodev_backend_set_throttle() and CryptoDevBackendClass::init()
can set their Error** argument. Do not ignore them, return early on
failure. Use the ERRP_GUARD() macro as suggested in commit ae7c80a7bd
("error: New macro ERRP_GUARD()").

Cc: qemu-sta...@nongnu.org
Fixes: e7a775fd9f ("cryptodev: Account statistics")
Fixes: 2580b452ff ("cryptodev: support QoS")
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
  backends/cryptodev.c | 10 ++++++++++
  1 file changed, 10 insertions(+)

diff --git a/backends/cryptodev.c b/backends/cryptodev.c
index e5006bd215..fff89fd62a 100644
--- a/backends/cryptodev.c
+++ b/backends/cryptodev.c
@@ -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;

--
zhenwei pi

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