Hi Andy,
On Tue, Aug 04, 2015 at 05:36:45PM +0300, Andy Shevchenko wrote:
> +struct device_node *pseries_of_derive_parent(const char *path)
> +{
> + struct device_node *parent = NULL;
> + char *parent_path = "/";
> + size_t parent_path_len = strrchr(path, '/') - path + 1;
> +
> + /* reject if path is "/" */
> + if (!strcmp(path, "/"))
> + return ERR_PTR(-EINVAL);
> +
> + if (strrchr(path, '/') != path) {
> + parent_path = kmalloc(parent_path_len, GFP_KERNEL);
If path doesn't contain any slash this will do interesting things;
you might want to fix that too while you're at it :-)
Segher
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