X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fdst.c;h=fe03266130b62f4950bac5ef4786755e88617a54;hb=dd919b9822c5fd9fd72f95a602440130297c3857;hp=7deef483c79f263959c0c1dac148529ecc80d73c;hpb=b7e23d913aafc93fc5f119e1be17620073cc3811;p=linux-2.6-omap-h63xx.git diff --git a/net/core/dst.c b/net/core/dst.c index 7deef483c79..fe03266130b 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -259,6 +259,16 @@ again: return NULL; } +void dst_release(struct dst_entry *dst) +{ + if (dst) { + WARN_ON(atomic_read(&dst->__refcnt) < 1); + smp_mb__before_atomic_dec(); + atomic_dec(&dst->__refcnt); + } +} +EXPORT_SYMBOL(dst_release); + /* Dirty hack. We did it in 2.2 (in __dst_free), * we have _very_ good reasons not to repeat * this mistake in 2.3, but we have no choice @@ -279,7 +289,7 @@ static inline void dst_ifdown(struct dst_entry *dst, struct net_device *dev, if (!unregister) { dst->input = dst->output = dst_discard; } else { - dst->dev = dst->dev->nd_net->loopback_dev; + dst->dev = dev_net(dst->dev)->loopback_dev; dev_hold(dst->dev); dev_put(dev); if (dst->neighbour && dst->neighbour->dev == dev) { @@ -295,9 +305,6 @@ static int dst_dev_event(struct notifier_block *this, unsigned long event, void struct net_device *dev = ptr; struct dst_entry *dst, *last = NULL; - if (dev->nd_net != &init_net) - return NOTIFY_DONE; - switch (event) { case NETDEV_UNREGISTER: case NETDEV_DOWN: