Bluetooth: Fix sending unnecessary HCI_Write_SSP_Mode command

This patch fixes sending an unnecessary HCI_Write_SSP_Mode command if
the command has already been sent as part of the default HCI init
sequence.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 6642b3c..b3490c6 100644 (file)
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -770,6 +770,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
 #define lmp_ext_feat_capable(dev)  ((dev)->features[7] & LMP_EXTFEATURES)
 
 /* ----- Extended LMP capabilities ----- */
+#define lmp_host_ssp_capable(dev)  ((dev)->host_features[0] & LMP_HOST_SSP)
 #define lmp_host_le_capable(dev)   ((dev)->host_features[0] & LMP_HOST_LE)
 #define lmp_host_le_br_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE_BREDR)
 

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 585654b..9017287 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2913,7 +2913,8 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
        mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
 
        if (powered) {
-               if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+               if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
+                   !lmp_host_ssp_capable(hdev)) {
                        u8 ssp = 1;
 
                        hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp);