The wb_data variable went out of scope on failure in the
get_writeback_data function. This is now freed before returning -1.
Coverity issue: 363453
Fixes: 952e10cdad5e ("examples/fips_validation: support scatter gather list")
Signed-off-by: Ciara Power <ciara.power@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>