> +int virtio_gpu_update_dmabuf(VirtIOGPU *g,
> + uint32_t scanout_id,
> + struct virtio_gpu_simple_resource *res,
> + struct virtio_gpu_framebuffer *fb)
> +{
> + struct virtio_gpu_scanout *scanout = &g->parent_obj.scanout[scanout_id];
> + VGPUDMABuf *new_primary, *old_primary;
> +
> + new_primary = virtio_gpu_create_dmabuf(g, scanout_id, res, fb);
> + if (!new_primary) {
> + return -EINVAL;
> + }
> +
> + if (g->dmabuf.primary) {
> + old_primary = g->dmabuf.primary;
> + }
> +
> + g->dmabuf.primary = new_primary;
> + qemu_console_resize(scanout->con,
> + new_primary->buf.width,
> + new_primary->buf.height);
> + dpy_gl_scanout_dmabuf(scanout->con, &new_primary->buf);
> +
> + if (old_primary) {
> + virtio_gpu_free_dmabuf(g, old_primary);
> + }
> +
> + return 0;
> +}
../../hw/display/virtio-gpu-udmabuf.c: In function ‘virtio_gpu_update_dmabuf’:
/home/kraxel/projects/qemu/include/qemu/queue.h:456:62: error: ‘old_primary’
may be used uninitialized in this function [-Werror=maybe-uninitialized]
take care,
Gerd
