Hou Tao <houtao@xxxxxxxxxxxxxxx> writes:
> From: Hou Tao <houtao1@xxxxxxxxxx>
>
> When a LPM trie is full, in-place updates of existing elements
> incorrectly return -ENOSPC.
>
> Fix this by deferring the check of trie->n_entries. For new insertions,
> n_entries must not exceed max_entries. However, in-place updates are
> allowed even when the trie is full.
>
> Fixes: b95a5c4db09b ("bpf: add a longest prefix match trie map implementation")
> Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
Reviewed-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
