From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
If we have entries in the whitelist we shouldn't disable page scanning
when disabling connectable mode. This patch adds the necessary check to
the Set Connectable command handler.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/mgmt.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 4d96913484cd..04fa7b2f8d7f 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1881,7 +1881,18 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
if (cp->val) {
scan = SCAN_PAGE;
} else {
- scan = 0;
+ /* If we don't have any whitelist entries just
+ * disable all scanning. If there are entries
+ * and we had both page and inquiry scanning
+ * enabled then fall back to only page scanning.
+ * Otherwise no changes are needed.
+ */
+ if (list_empty(&hdev->whitelist))
+ scan = SCAN_DISABLED;
+ else if (test_bit(HCI_ISCAN, &hdev->flags))
+ scan = SCAN_PAGE;
+ else
+ goto no_scan_update;
if (test_bit(HCI_ISCAN, &hdev->flags) &&
hdev->discov_timeout > 0)
@@ -1891,6 +1902,7 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
+no_scan_update:
/* If we're going from non-connectable to connectable or
* vice-versa when fast connectable is enabled ensure that fast
* connectable gets disabled. write_fast_connectable won't do
--
1.9.3
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