diff options
| author | Joel Stanley <joel@jms.id.au> | 2019-07-04 04:43:37 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-07-04 04:43:41 +0300 |
| commit | 2caf12c9ed84a39b383d0f237d1506b7e9a95bdf (patch) | |
| tree | 8ba503d4cb7079f73d4b71f306c3e0c120cec53b /kernel/bpf/lpm_trie.c | |
| parent | d83aec28b086ee676056638d77ac93b06ec3d4b1 (diff) | |
| parent | 8584aaf1c3262ca17d1e4a614ede9179ef462bb0 (diff) | |
| download | linux-dev-5.1.tar.xz | |
Merge tag 'v5.1.16' into dev-5.1dev-5.1
This is the 5.1.16 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'kernel/bpf/lpm_trie.c')
| -rw-r--r-- | kernel/bpf/lpm_trie.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c index 93a5cbbde421..3b03a7342f3c 100644 --- a/kernel/bpf/lpm_trie.c +++ b/kernel/bpf/lpm_trie.c @@ -715,9 +715,14 @@ find_leftmost: * have exact two children, so this function will never return NULL. */ for (node = search_root; node;) { - if (!(node->flags & LPM_TREE_NODE_FLAG_IM)) + if (node->flags & LPM_TREE_NODE_FLAG_IM) { + node = rcu_dereference(node->child[0]); + } else { next_node = node; - node = rcu_dereference(node->child[0]); + node = rcu_dereference(node->child[0]); + if (!node) + node = rcu_dereference(next_node->child[1]); + } } do_copy: next_key->prefixlen = next_node->prefixlen; |