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netfilter: xt_connlimit: use rb_entry()

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To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Geliang Tang 2016-12-20 22:02:13 +08:00 committed by Pablo Neira Ayuso
parent cf6e007eef
commit 4cc4b72c13
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/xt_connlimit.c
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@ -218,7 +218,7 @@ count_tree(struct net *net, struct rb_root *root,
int diff;
bool addit;
rbconn = container_of(*rbnode, struct xt_connlimit_rb, node);
rbconn = rb_entry(*rbnode, struct xt_connlimit_rb, node);
parent = *rbnode;
diff = same_source_net(addr, mask, &rbconn->addr, family);
@ -398,7 +398,7 @@ static void destroy_tree(struct rb_root *r)
struct rb_node *node;
while ((node = rb_first(r)) != NULL) {
rbconn = container_of(node, struct xt_connlimit_rb, node);
rbconn = rb_entry(node, struct xt_connlimit_rb, node);
rb_erase(node, r);