net/mlx5: fix kvfree of uninitialized pointer spec
Currently when a call to esw_vport_create_legacy_ingress_acl_group
fails the error exit path to label 'out' will cause a kvfree on the
uninitialized pointer spec. Fix this by ensuring pointer spec is
initialized to NULL to avoid this issue.
Addresses-Coverity: ("Uninitialized pointer read") Fixes: 10652f39943e ("net/mlx5: Refactor ingress acl configuration") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>