linux-kernel - Re: [PATCH 5/5] kernel handling of CPU DLPAR

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4AAFA952.3050204@linux.vnet.ibm.com>
Date:	Tue, 15 Sep 2009 09:48:50 -0500
From:	Brian King <brking@...ux.vnet.ibm.com>
To:	Nathan Fontenot <nfont@...tin.ibm.com>
CC:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] kernel handling of CPU DLPAR

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


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/