Re: [PATCH] dma-buf: add struct dma_buf_attach_info v2

From: Boris Ostrovsky
Date: Tue Apr 30 2019 - 13:00:56 EST


On 4/30/19 7:10 AM, Christian KÃnig wrote:
> diff --git a/drivers/xen/gntdev-dmabuf.c b/drivers/xen/gntdev-dmabuf.c
> index 2c4f324f8626..cacca830b482 100644
> --- a/drivers/xen/gntdev-dmabuf.c
> +++ b/drivers/xen/gntdev-dmabuf.c
> @@ -608,6 +608,7 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
> int fd, int count, int domid)
> {
> struct gntdev_dmabuf *gntdev_dmabuf, *ret;
> + struct dma_buf_attach_info attach_info;
> struct dma_buf *dma_buf;
> struct dma_buf_attachment *attach;
> struct sg_table *sgt;
> @@ -627,6 +628,9 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
> gntdev_dmabuf->priv = priv;
> gntdev_dmabuf->fd = fd;
>
> + memset(&attach_info, 0, sizeof(attach_info));
> + attach_info.dev = dev;
> + attach_info.dmabuf = dma_buf;
> attach = dma_buf_attach(dma_buf, dev);
> if (IS_ERR(attach)) {
> ret = ERR_CAST(attach);

This won't build.

Did you mean

ÂÂÂ attach = dma_buf_attach(&attach_info);

?

-boris