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
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