In RegEx device probing, there is register read trying after context
device creation.
When the reading fails, the context device was not freed what caused a
memory leak.
Free it.
Fixes: f324162e8e77 ("regex/mlx5: support combined rule file")
Cc: stable@dpdk.org
Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
Acked-by: Ori Kam <orika@nvidia.com>
0972b7baae