From: Marc-André Lureau <[email protected]> The value must be less than VIRTIO_GPU_MAX_SCANOUT.
Signed-off-by: Marc-André Lureau <[email protected]> Message-id: [email protected] Signed-off-by: Gerd Hoffmann <[email protected]> --- hw/display/virtio-gpu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 64a60f2..7114021 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -20,6 +20,7 @@ #include "hw/virtio/virtio-gpu.h" #include "hw/virtio/virtio-bus.h" #include "qemu/log.h" +#include "qapi/error.h" static struct virtio_gpu_simple_resource* virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id); @@ -929,6 +930,11 @@ static void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) bool have_virgl; int i; + if (g->conf.max_outputs > VIRTIO_GPU_MAX_SCANOUT) { + error_setg(errp, "invalid max_outputs > %d", VIRTIO_GPU_MAX_SCANOUT); + return; + } + g->config_size = sizeof(struct virtio_gpu_config); g->virtio_config.num_scanouts = g->conf.max_outputs; virtio_init(VIRTIO_DEVICE(g), "virtio-gpu", VIRTIO_ID_GPU, -- 1.8.3.1
