This patch add an extra check for BR/EDR and LE-Only discovery.
This way, we are able to return error immediately if the discovery
type requested is not supported by the device.
Signed-off-by: Andre Guedes <andre.guedes@xxxxxxxxxxxxx>
---
net/bluetooth/mgmt.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 93f2c13..de40918 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2552,12 +2552,18 @@ static int start_discovery(struct sock *sk, u16 index,
switch (hdev->discovery.type) {
case DISCOV_TYPE_BREDR:
- err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
+ if (lmp_bredr_capable(hdev))
+ err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
+ else
+ err = -ENOTSUPP;
break;
case DISCOV_TYPE_LE:
- err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT,
+ if (lmp_host_le_capable(hdev))
+ err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT,
LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY);
+ else
+ err = -ENOTSUPP;
break;
case DISCOV_TYPE_INTERLEAVED:
--
1.7.9.2
--
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