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Bluetooth: Fix calling smp_distribute_keys() when still waiting for keys

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When we're in the process of receiving keys in phase 3 of SMP we keep
track of which keys are still expected in the smp->remote_key_dist
variable. If we still have some key bits set we need to continue waiting
for more PDUs and not needlessly call smp_distribute_keys(). This patch
fixes two such cases in the smp_cmd_master_ident() and
smp_cmd_ident_addr_info() handler functions.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-09-05 22:19:54 +03:00 committed by Marcel Holtmann
parent 88d3a8acf3
commit c6e81e9ae6
1 changed files with 3 additions and 2 deletions
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5
net/bluetooth/smp.c
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@ -1293,7 +1293,7 @@ static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
authenticated, smp->tk, smp->enc_key_size,
rp->ediv, rp->rand);
smp->ltk = ltk;
if (!(smp->remote_key_dist & SMP_DIST_ID_KEY))
if (!(smp->remote_key_dist & KEY_DIST_MASK))
smp_distribute_keys(smp);
hci_dev_unlock(hdev);
@ -1371,7 +1371,8 @@ static int smp_cmd_ident_addr_info(struct l2cap_conn *conn,
smp->id_addr_type, smp->irk, &rpa);
distribute:
smp_distribute_keys(smp);
if (!(smp->remote_key_dist & KEY_DIST_MASK))
smp_distribute_keys(smp);
hci_dev_unlock(hcon->hdev);