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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 commitae7c80a7bd
("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 commit484aecf2d3
) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>