Re: [PATCH v2 02/16] remoteproc: add release ops in rproc_mem_entry struct

From: Bjorn Andersson
Date: Wed Dec 13 2017 - 19:34:35 EST


On Thu 30 Nov 08:46 PST 2017, Loic Pallardy wrote:

> +static int rproc_release_carveout(struct rproc *rproc, struct rproc_mem_entry *mem)
> +{
> + struct device *dev = &rproc->dev;
> +
> + /* clean up carveout allocations */
> + dma_free_coherent(dev->parent, mem->len, mem->va, mem->dma);
> + list_del(&mem->node);

The core is responsible for putting the node on a list, so let the
cleanup take if off the list.

> + kfree(mem);
> + return 0;
> +}
> +
[..]
> @@ -319,12 +322,11 @@ struct rproc_mem_entry {
> dma_addr_t dma;
> int len;
> u32 da;
> + int (*release)(struct rproc *rproc, struct rproc_mem_entry *mem);

The placement here seems random, please move it last in the struct.

> void *priv;
> struct list_head node;
> };
>

Regards,
Bjorn