On Thu, 2012-07-05 at 10:44 +0800, Andy Green wrote:
> From: Andy Green <andy@xxxxxxxxxxx>
>
> This introduces a small helper in net/ethernet, which registers a network
> notifier at core_initcall time, and accepts registrations mapping expected
> asynchronously-probed network device paths (like, "usb1/1-1/1-1.1/1-1.1:1.0")
> and the MAC that is needed to be assigned to the device when it appears.
The mac prefix is poor. I think eth_mac is better.
[]
> diff --git a/net/ethernet/mac-platform.c b/net/ethernet/mac-platform.c
[]
> +static int mac_platform_netdev_event(struct notifier_block *this,
> + unsigned long event, void *ptr)
alignment to parenthesis please.
[]
> +int mac_platform_register_device_macs(const struct mac_platform *macs)
> +{
[]
> + next = kmalloc(sizeof(struct mac_platform), GFP_KERNEL);
> + if (!next) {
> + ret = -ENOMEM;
> + goto bail;
> + }
> +
> + next->device_path = kmalloc(strlen(macs->device_path) + 1,
> + GFP_KERNEL);
> + if (!next->device_path) {
> + ret = -ENOMEM;
> + goto bail;
> + }
> +
> + strcpy(next->device_path, macs->device_path);
> + memcpy(next->mac, macs->mac, sizeof macs->mac);
kmemdup and kstrdup()
> + list_add(&next->list, &mac_platform_list);
> +
> + macs++;
> + }
> +
> +bail:
> + mutex_unlock(&mac_platform_mutex);
> +
> + return ret;
> +}
leaking memory on failures.
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