test_field
if ((a && (a < r)) || test_field(r, call))
struct ftrace_event_field *test_field)
if (field == test_field)
if (field == NULL || test_field == NULL)
if (strcmp(field->name, test_field->name) != 0)
if (strcmp(field->type, test_field->type) != 0)
if (field->size != test_field->size)
if (field->is_signed != test_field->is_signed)