Only qemuBuildFSDevStr missed the return check. --- src/qemu/qemu_command.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 900239f05..57893cfda 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -2527,7 +2527,8 @@ qemuBuildFSDevStr(const virDomainDef *def, QEMU_FSDEV_HOST_PREFIX, fs->info.alias); virBufferAsprintf(&opt, ",mount_tag=%s", fs->dst); - qemuBuildVirtioOptionsStr(&opt, fs->virtio, qemuCaps); + if (qemuBuildVirtioOptionsStr(&opt, fs->virtio, qemuCaps) < 0) + goto error; if (qemuBuildDeviceAddressStr(&opt, def, &fs->info, qemuCaps) < 0) goto error;