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-rw-r--r--net/bluetooth/smp.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3d1cc164557d..f2829a7932e2 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -544,7 +544,7 @@ static u8 smp_random(struct smp_chan *smp)
hci_le_start_enc(hcon, ediv, rand, stk);
hcon->enc_key_size = smp->enc_key_size;
} else {
- u8 stk[16];
+ u8 stk[16], auth;
__le64 rand = 0;
__le16 ediv = 0;
@@ -556,8 +556,13 @@ static u8 smp_random(struct smp_chan *smp)
memset(stk + smp->enc_key_size, 0,
SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size);
+ if (hcon->pending_sec_level == BT_SECURITY_HIGH)
+ auth = 1;
+ else
+ auth = 0;
+
hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type,
- HCI_SMP_STK_SLAVE, 0, stk, smp->enc_key_size,
+ HCI_SMP_STK_SLAVE, auth, stk, smp->enc_key_size,
ediv, rand);
}