drm/virtio: Fix a double free in virtio_gpu_cmd_map()

This is freed both here and in the caller (virtio_gpu_vram_map()) so
it's a double free. The correct place is only in the caller.

Fixes: 16845c5d5409 ("drm/virtio: implement blob resources: implement vram object")
Signed-off-by: Dan Carpenter <[e-mail]>
Reviewed-by: Gurchetan Singh <[e-mail]>
Link: http://patchwork.freedesktop.org/patch/msgid/20201030114808.GD3251003@mwanda
Signed-off-by: Gerd Hoffmann <[e-mail]>

drivers/gpu/drm/virtio/virtgpu_vq.c

···
 	struct virtio_gpu_resp_map_info *resp_buf;
 
 	resp_buf = kzalloc(sizeof(*resp_buf), GFP_KERNEL);
-	if (!resp_buf) {
-		virtio_gpu_array_put_free(objs);
+	if (!resp_buf)
 		return -ENOMEM;
-	}
 
 	cmd_p = virtio_gpu_alloc_cmd_resp
 		(vgdev, virtio_gpu_cmd_resource_map_cb, &vbuf, sizeof(*cmd_p),