Re: [PATCH] netlink: simplify nfnetlink_bind

From: Richard Guy Briggs
Date: Mon Mar 24 2014 - 09:56:28 EST


On 14/03/24, Pablo Neira Ayuso wrote:
> On Fri, Mar 21, 2014 at 12:44:09PM -0400, Richard Guy Briggs wrote:
> > Remove duplicity and simplify code flow by moving the rcu_read_unlock() above
> > the condition and let the flow control exit naturally at the end of the
> > function.
> >
> > Signed-off-by: Richard Guy Briggs <rgb@xxxxxxxxxx>
> > ---
> > net/netfilter/nfnetlink.c | 4 +---
> > 1 files changed, 1 insertions(+), 3 deletions(-)
> >
> > diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
> > index 046aa13..75619f9 100644
> > --- a/net/netfilter/nfnetlink.c
> > +++ b/net/netfilter/nfnetlink.c
> > @@ -399,12 +399,10 @@ static void nfnetlink_bind(int group)
> >
> > rcu_read_lock();
> > ss = nfnetlink_get_subsys(type);
> > + rcu_read_unlock();
> > if (!ss) {
> > - rcu_read_unlock();
> > request_module("nfnetlink-subsys-%d", type);
> > - return;
> > }
> > - rcu_read_unlock();
>
> Applied with minor glitch. Removed the brackets in that if branch.

Good point! Thanks.

> Thanks

- RGB

--
Richard Guy Briggs <rbriggs@xxxxxxxxxx>
Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red Hat
Remote, Ottawa, Canada
Voice: +1.647.777.2635, Internal: (81) 32635, Alt: +1.613.693.0684x3545
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/