]> git.baikalelectronics.ru Git - kernel.git/commit
bpf, lpm: fix kfree of im_node in trie_update_elem
authorDaniel Borkmann <daniel@iogearbox.net>
Tue, 24 Jan 2017 00:26:46 +0000 (01:26 +0100)
committerDavid S. Miller <davem@davemloft.net>
Tue, 24 Jan 2017 02:17:35 +0000 (21:17 -0500)
commitee7f56e9772657576889c83d9cd182624f712186
tree808db68eb4959518023d42be3657e90162f28457
parent41e55a530e117ca35dee39bf69628d43b350e98a
bpf, lpm: fix kfree of im_node in trie_update_elem

We need to initialize im_node to NULL, otherwise in case of error path
it gets passed to kfree() as uninitialized pointer.

Fixes: 8e38812b7f9c ("bpf: add a longest prefix match trie map implementation")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
kernel/bpf/lpm_trie.c