verify_buffer
GEM_BUG_ON(verify_buffer(t, &t->scratch, prng));
err = verify_buffer(t, &t->buffers[i], prng);
err = verify_buffer(t, &t->buffers[2], prng);
u8 verify_buffer[FALCON_SPI_MAX_LEN];
NULL, verify_buffer, block_len);
if (memcmp(verify_buffer, buffer + pos, block_len)) {