diff options
author | Russell King <[email protected]> | 2014-08-05 10:27:13 +0100 |
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committer | Russell King <[email protected]> | 2014-08-05 10:27:13 +0100 |
commit | 7109561524dc57b95fd3f9b61547268b9b6db8ed (patch) | |
tree | df08f565b2c616b7e68fe35cd428a8c5ba3bfcb1 /net/core/dst.c | |
parent | 6bf755db4d5e7ccea61fb17727a183b9bd8945b1 (diff) | |
parent | 3bb70de692f70861f5c5729cd2b870d0104a7cc9 (diff) |
Merge branches 'fixes' and 'misc' into for-next
Conflicts:
arch/arm/kernel/iwmmxt.S
arch/arm/mm/cache-l2x0.c
arch/arm/mm/mmu.c
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); |