Hi Dmitry, FYI, there are new sparse warnings show up in tree: git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master head: 29d8a5909bba10accb82eb805c884a2943d7710f commit: ba221bbabadd5fc2c80677b52178138fd694cc26 [231/247] Bluetooth: Add function to derive AMP key using hmac + net/bluetooth/amp.c:150:55: sparse: bad constant expression net/bluetooth/amp.c:130:12: warning: 'hmac_sha256' defined but not used [-Wunused-function] vim +150 net/bluetooth/amp.c ba221bba (Dmitry Kasatkin 2012-09-27 144) ret = crypto_shash_setkey(tfm, key, ksize); ba221bba (Dmitry Kasatkin 2012-09-27 145) if (ret) { ba221bba (Dmitry Kasatkin 2012-09-27 146) BT_DBG("crypto_ahash_setkey failed: err %d", ret); ba221bba (Dmitry Kasatkin 2012-09-27 147) } else { ba221bba (Dmitry Kasatkin 2012-09-27 148) struct { ba221bba (Dmitry Kasatkin 2012-09-27 149) struct shash_desc shash; ba221bba (Dmitry Kasatkin 2012-09-27 @150) char ctx[crypto_shash_descsize(tfm)]; ba221bba (Dmitry Kasatkin 2012-09-27 151) } desc; ba221bba (Dmitry Kasatkin 2012-09-27 152) ba221bba (Dmitry Kasatkin 2012-09-27 153) desc.shash.tfm = tfm; ba221bba (Dmitry Kasatkin 2012-09-27 154) desc.shash.flags = CRYPTO_TFM_REQ_MAY_SLEEP; ba221bba (Dmitry Kasatkin 2012-09-27 155) ba221bba (Dmitry Kasatkin 2012-09-27 156) ret = crypto_shash_digest(&desc.shash, plaintext, psize, ba221bba (Dmitry Kasatkin 2012-09-27 157) output); ba221bba (Dmitry Kasatkin 2012-09-27 158) } --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu, Yuanhan Liu Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html