Re: [libvirt] [PATCH] qemu: Fix double free when live-attaching shmem

Function qemuDomainAttachShmemDevice() steals the device data if the hotplug was successful, but the condition checked for unsuccessful execution otherwise. Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 38c841420e32..a82e58b29f29 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -7615,7 +7615,7 @@ qemuDomainAttachDeviceLive(virDomainObjPtr vm, case VIR_DOMAIN_DEVICE_SHMEM: ret = qemuDomainAttachShmemDevice(driver, vm, dev->data.shmem); - if (ret < 0) { + if (!ret) { alias = dev->data.shmem->info.alias; dev->data.shmem = NULL; }