Re: [BK PATCH] [IPV6] Multiple locking fixes/improvements

[Brian Haley <Brian.Haley@xxxxxx>]

YOSHIFUJI Hideaki / 吉藤英明 wrote:

> ChangeSet@xxxxxx, 2004-11-23 11:52:57+09:00, yoshfuji@xxxxxxxxxxxxxx
>  [IPV6] Fix a race when dad completed during shutting down its owner interface.
> +static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
> +{
> +       read_lock_bh(&addrconf_lock);
> +       if (ifp->idev->dead)
> +               goto out;
> +       __ipv6_ifa_notify(event, ifp);
> +out:
> +       read_unlock_bh(&addrconf_lock);
>  }
Not to nitpick, but this is just easier to read:

+static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
+{
+       read_lock_bh(&addrconf_lock);
+       if (!ifp->idev->dead)
+               __ipv6_ifa_notify(event, ifp);
+       read_unlock_bh(&addrconf_lock);
 }

-Brian