diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:24:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:27:03 +0200 |
| commit | f99e44a7f3352d7131c7526207f153f13ec5acd4 (patch) | |
| tree | 0f448b21128c478053ee7f7765b865954c4eebe8 /net/core/dst.c | |
| parent | fd29f424d458118f02e89596505c68a63dcb3007 (diff) | |
| parent | ce857229e0c3adc211944a13a5579ef84fd7b4af (diff) | |
Merge branch 'linus' into core/urgent
Update with Linus tree so fixes for the same can be applied.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'net/core/dst.c')
| -rw-r--r-- | net/core/dst.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 35fd12f1a69c..df9cc810ec8e 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -320,27 +320,28 @@ void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old) EXPORT_SYMBOL(__dst_destroy_metrics_generic); /** - * skb_dst_set_noref - sets skb dst, without a reference + * __skb_dst_set_noref - sets skb dst, without a reference * @skb: buffer * @dst: dst entry + * @force: if force is set, use noref version even for DST_NOCACHE entries * * Sets skb dst, assuming a reference was not taken on dst * skb_dst_drop() should not dst_release() this dst */ -void skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst) +void __skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst, bool force) { WARN_ON(!rcu_read_lock_held() && !rcu_read_lock_bh_held()); /* If dst not in cache, we must take a reference, because * dst_release() will destroy dst as soon as its refcount becomes zero */ - if (unlikely(dst->flags & DST_NOCACHE)) { + if (unlikely((dst->flags & DST_NOCACHE) && !force)) { dst_hold(dst); skb_dst_set(skb, dst); } else { skb->_skb_refdst = (unsigned long)dst | SKB_DST_NOREF; } } -EXPORT_SYMBOL(skb_dst_set_noref); +EXPORT_SYMBOL(__skb_dst_set_noref); /* Dirty hack. We did it in 2.2 (in __dst_free), * we have _very_ good reasons not to repeat |