Nathan Fontenot wrote:
> +static ssize_t cpu_probe_store(struct class *class, const char *buf,
> + size_t count)
> +{
> + struct device_node *dn;
> + u32 drc_index;
> + char *cpu_name;
> + int rc;
> +
> + drc_index = simple_strtoull(buf, NULL, 0);
Can just use simple_strtoul here instead.
> + if (!drc_index)
> + return -EINVAL;
> +
> + rc = acquire_drc(drc_index);
> + if (rc)
> + return rc;
> +
> + dn = configure_connector(drc_index);
> + if (!dn) {
> + release_drc(drc_index);
> + return rc;
> + }
> +
> + /* fixup dn name */
> + cpu_name = kzalloc(strlen(dn->full_name) + strlen("/cpus/") + 1,
> + GFP_KERNEL);
> + sprintf(cpu_name, "/cpus/%s", dn->full_name);
> + kfree(dn->full_name);
> + dn->full_name = cpu_name;
> +
> + rc = add_device_tree_nodes(dn);
> + if (rc)
> + release_drc(drc_index);
> +
> + return rc ? rc : count;
> +}
> +
--
Brian King
Linux on Power Virtualization
IBM Linux Technology Center
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