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| author | Brian Norris <computersforpeace@gmail.com> | 2014-07-20 23:59:16 -0700 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-07-21 00:01:16 -0700 |
| commit | d0d5864676dbccfb1337864a0ae6ce97e6342678 (patch) | |
| tree | 7caa674ec05a1797054cd4304f0a047b6dacddd6 /net/core/dst.c | |
| parent | 6534e6809e6c9d48114b537afe03bee3fd33bf01 (diff) | |
| parent | 9a3c4145af32125c5ee39c0272662b47307a8323 (diff) | |
| download | talos-op-linux-d0d5864676dbccfb1337864a0ae6ce97e6342678.tar.gz talos-op-linux-d0d5864676dbccfb1337864a0ae6ce97e6342678.zip | |
Merge tag 'v3.16-rc6' into MTD development branch
Linux 3.16-rc6
Diffstat (limited to 'net/core/dst.c')
| -rw-r--r-- | net/core/dst.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 80d6286c8b62..a028409ee438 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -269,6 +269,15 @@ again: } EXPORT_SYMBOL(dst_destroy); +static void dst_destroy_rcu(struct rcu_head *head) +{ + struct dst_entry *dst = container_of(head, struct dst_entry, rcu_head); + + dst = dst_destroy(dst); + if (dst) + __dst_free(dst); +} + void dst_release(struct dst_entry *dst) { if (dst) { @@ -276,11 +285,8 @@ void dst_release(struct dst_entry *dst) newrefcnt = atomic_dec_return(&dst->__refcnt); WARN_ON(newrefcnt < 0); - if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) { - dst = dst_destroy(dst); - if (dst) - __dst_free(dst); - } + if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) + call_rcu(&dst->rcu_head, dst_destroy_rcu); } } EXPORT_SYMBOL(dst_release); |
