Add this new nft_rbtree_interval_end() helper function to check in the
end interval is set.
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/netfilter/nft_rbtree.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/net/netfilter/nft_rbtree.c b/net/netfilter/nft_rbtree.c
index 1c30f41..29f2ab8 100644
--- a/net/netfilter/nft_rbtree.c
+++ b/net/netfilter/nft_rbtree.c
@@ -29,6 +29,11 @@ struct nft_rbtree_elem {
struct nft_set_ext ext;
};
+static bool nft_rbtree_interval_end(const struct nft_rbtree_elem *rbe)
+{
+ return nft_set_ext_exists(&rbe->ext, NFT_SET_EXT_FLAGS) &&
+ (*nft_set_ext_flags(&rbe->ext) & NFT_SET_ELEM_INTERVAL_END);
+}
static bool nft_rbtree_lookup(const struct nft_set *set, const u32 *key,
const struct nft_set_ext **ext)
@@ -56,9 +61,7 @@ found:
parent = parent->rb_left;
continue;
}
- if (nft_set_ext_exists(&rbe->ext, NFT_SET_EXT_FLAGS) &&
- *nft_set_ext_flags(&rbe->ext) &
- NFT_SET_ELEM_INTERVAL_END)
+ if (nft_rbtree_interval_end(rbe))
goto out;
spin_unlock_bh(&nft_rbtree_lock);
--
2.1.4
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