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Bluetooth: Fix MITM protection requirement preservation 

If an existing connection has a MITM protection requirement (the first
bit of the auth_type) then that requirement should not be cleared by new
sockets that reuse the ACL but don't have that requirement.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Johan Hedberg 2011-01-19 12:06:49 +05:30 committed by Gustavo F. Padovan
parent 88644bb9fe
commit 65cf686ee1
1 changed files with 3 additions and 0 deletions
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3
net/bluetooth/hci_conn.c
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@ -442,6 +442,9 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
else if (conn->link_mode & HCI_LM_AUTH)
return 1;
/* Make sure we preserve an existing MITM requirement*/
auth_type |= (conn->auth_type & 0x01);
conn->auth_type = auth_type;
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {