Re: [RFC][PATCH] identify in_dev_get rcu read-side critical sections

[Herbert Xu]

On Thu, Sep 29, 2005 at 06:16:03PM -0700, Paul E. McKenney wrote:
> 
> OK, how about this instead?
> 
> 	rcu_read_lock();
> 	in_dev = dev->ip_ptr;
> 	if (in_dev) {
> 		atomic_inc(&rcu_dereference(in_dev)->refcnt);
> 	}
> 	rcu_read_unlock();
> 	return in_dev;

Looks great.  Thanks Paul.
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
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/