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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 18:02:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 18:02:35 -0700 |
| commit | 334d094504c2fe1c44211ecb49146ae6bca8c321 (patch) | |
| tree | d3c0f68e4b9f8e3d2ccc39e7dfe5de0534a5fad9 /net/core/dst.c | |
| parent | x86 PAT: fix mmap() of holes (diff) | |
| parent | [NET]: Fix and allocate less memory for ->priv'less netdevices (diff) | |
| download | linux-dev-334d094504c2fe1c44211ecb49146ae6bca8c321.tar.xz linux-dev-334d094504c2fe1c44211ecb49146ae6bca8c321.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
[NET]: Fix and allocate less memory for ->priv'less netdevices
[IPV6]: Fix dangling references on error in fib6_add().
[NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
[PKT_SCHED]: Fix datalen check in tcf_simp_init().
[INET]: Uninline the __inet_inherit_port call.
[INET]: Drop the inet_inherit_port() call.
SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
[netdrvr] forcedeth: internal simplifications; changelog removal
phylib: factor out get_phy_id from within get_phy_device
PHY: add BCM5464 support to broadcom PHY driver
cxgb3: Fix __must_check warning with dev_dbg.
tc35815: Statistics cleanup
natsemi: fix MMIO for PPC 44x platforms
[TIPC]: Cleanup of TIPC reference table code
[TIPC]: Optimized initialization of TIPC reference table
[TIPC]: Remove inlining of reference table locking routines
e1000: convert uint16_t style integers to u16
ixgb: convert uint16_t style integers to u16
sb1000.c: make const arrays static
sb1000.c: stop inlining largish static functions
...
Diffstat (limited to 'net/core/dst.c')
| -rw-r--r-- | net/core/dst.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 7deef483c79f..fe03266130b6 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: |