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authorCody P Schafer <cody@linux.vnet.ibm.com>2013-11-13 10:30:35 +0100
committerJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2013-11-13 10:50:36 +0100
commit04ca6d3715d42277ef001f5a5252cd015d84279b (patch)
treead9ef98667d0000304b43032e3ee92744fa05bdf /kernel/net/netfilter/ipset
parentea39db5d0778ced5bbed902c2b62abe5e7ee8c39 (diff)
net ipset: use rbtree postorder iteration instead of opencoding
Use rbtree_postorder_for_each_entry_safe() to destroy the rbtree instead of opencoding an alternate postorder iteration that modifies the tree Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Diffstat (limited to 'kernel/net/netfilter/ipset')
-rw-r--r--kernel/net/netfilter/ipset/ip_set_hash_netiface.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/net/netfilter/ipset/ip_set_hash_netiface.c b/kernel/net/netfilter/ipset/ip_set_hash_netiface.c
index 3f64a66..788825b 100644
--- a/kernel/net/netfilter/ipset/ip_set_hash_netiface.c
+++ b/kernel/net/netfilter/ipset/ip_set_hash_netiface.c
@@ -46,6 +46,14 @@ struct iface_node {
static void
rbtree_destroy(struct rb_root *root)
{
+#ifdef HAVE_RBTREE_POSTORDER_FOR_EACH_ENTRY_SAFE
+ struct iface_node *node, *next;
+
+ rbtree_postorder_for_each_entry_safe(node, next, root, node)
+ kfree(node);
+
+ *root = RB_ROOT;
+#else
struct rb_node *p, *n = root->rb_node;
struct iface_node *node;
@@ -71,6 +79,7 @@ rbtree_destroy(struct rb_root *root)
kfree(node);
n = p;
}
+#endif
}
static int