From 8b90129cc5789a4c65547c91c9a7b1fd3a4d56a4 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Thu, 23 Feb 2012 18:09:27 -0300 Subject: [PATCH] Bluetooth: Check capabilities in BR/EDR and LE-Only discovery 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 Acked-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- 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 abf1adb8bc1..3fcccad7545 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2602,12 +2602,18 @@ 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: -- 2.41.0