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(parent: 2acc76c) | patch
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)
commitd140199af510ad4749dc5e38b7922135258ba5fd
tree808db68eb4959518023d42be3657e90162f28457tree | snapshot
parent2acc76cbb7b7ad4f1e35d6c1d973f8cba1dde0bccommit | diff
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: b95a5c4db09b ("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 diff | blob | history
Linux kernel for KaRo TX COM modules