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Bluetooth: Remove unnecessary SMP STK define

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We never store the "master" type of STKs since we request encryption
directly with them so we only need one STK type (the one that's
looked-up on the slave side). Simply remove the unnecessary define and
rename the _SLAVE one to the shorter form.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-06-16 19:25:15 +03:00 committed by Marcel Holtmann
parent c29d244417
commit 7d5843b7b7
3 changed files with 6 additions and 3 deletions
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1
include/net/bluetooth/hci.h
View File

@ -349,7 +349,6 @@ enum {
#define HCI_LK_AUTH_COMBINATION_P256 0x08
/* The spec doesn't define types for SMP keys, the _MASTER suffix is implied */
#define HCI_SMP_STK 0x80
#define HCI_SMP_STK_SLAVE 0x81
#define HCI_SMP_LTK 0x82
#define HCI_SMP_LTK_SLAVE 0x83

2
net/bluetooth/hci_event.c
View File

@ -4241,7 +4241,7 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
* distribute the keys. Later, security can be re-established
* using a distributed LTK.
*/
if (ltk->type == HCI_SMP_STK_SLAVE) {
if (ltk->type == HCI_SMP_STK) {
list_del(&ltk->list);
kfree(ltk);
}

6
net/bluetooth/smp.c
View File

@ -568,8 +568,12 @@ static u8 smp_random(struct smp_chan *smp)
else
auth = 0;
/* Even though there's no _SLAVE suffix this is the
* slave STK we're adding for later lookup (the master
* STK never needs to be stored).
*/
hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type,
HCI_SMP_STK_SLAVE, auth, stk, smp->enc_key_size,
HCI_SMP_STK, auth, stk, smp->enc_key_size,
ediv, rand);
}