[PATCH 2/3] qemu: fix memory leak in qemu_driver.c

From: jiangjiacheng <jiangjiacheng(a)huawei.com&gt; Function virTypedParamsAddString may return -1 and the clean path doesn't free the memory of eventParams, which will lead to potential memory leak. Signed-off-by: jiangjiacheng <jiangjiacheng(a)huawei.com&gt; --- src/qemu/qemu_driver.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 707f4cc1bb..c43bc4070e 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -4474,11 +4474,15 @@ qemuDomainPinVcpuLive(virDomainObj *vm, goto cleanup; event = virDomainEventTunableNewFromObj(vm, eventParams, eventNparams); + eventParams = NULL; + eventNparams = 0; ret = 0; cleanup: virObjectEventStateQueue(driver->domainEventState, event); + if (eventParams) + virTypedParamsFree(eventParams, eventNparams); return ret; } @@ -4683,6 +4687,8 @@ qemuDomainPinEmulator(virDomainPtr dom, goto endjob; event = virDomainEventTunableNewFromDom(dom, eventParams, eventNparams); + eventParams = NULL; + eventNparams = 0; } if (persistentDef) { @@ -4699,6 +4705,8 @@ qemuDomainPinEmulator(virDomainPtr dom, qemuDomainObjEndJob(vm); cleanup: + if (eventParams) + virTypedParamsFree(eventParams, eventNparams); virObjectEventStateQueue(driver->domainEventState, event); virDomainObjEndAPI(&vm); return ret; @@ -5080,6 +5088,8 @@ qemuDomainPinIOThread(virDomainPtr dom, goto endjob; event = virDomainEventTunableNewFromDom(dom, eventParams, eventNparams); + eventParams = NULL; + eventNparams = 0; } if (persistentDef) { @@ -5105,6 +5115,8 @@ qemuDomainPinIOThread(virDomainPtr dom, qemuDomainObjEndJob(vm); cleanup: + if (eventParams) + virTypedParamsFree(eventParams, eventNparams); virObjectEventStateQueue(driver->domainEventState, event); virDomainObjEndAPI(&vm); return ret; -- 2.33.0