Bluetooth: Send mgmt_connected only if state is BT_CONFIG

If a remote name request is initiated while acl connection is going on,
and if it fails then mgmt_connected will be sent. Evetually after acl
connection, authentication will not be initiated and userspace will
never get pairing reply.

< HCI Command: Create Connection (0x01|0x0005) plen 13
    bdaddr AA:BB:CC:DD:EE:FF ptype 0xcc18 rswitch 0x01 clkoffset 0x2306 (valid)
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5
> HCI Event: Command Status (0x0f) plen 4
    Create Connection (0x01|0x0005) status 0x00 ncmd 1
> HCI Event: Inquiry Complete (0x01) plen 1
    status 0x00
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
    bdaddr AA:BB:CC:DD:EE:FF mode 1 clkoffset 0x2306
> HCI Event: Command Status (0x0f) plen 4
    Remote Name Request (0x01|0x0019) status 0x0c ncmd 1
    Error: Command Disallowed
> HCI Event: Connect Complete (0x03) plen 11
    status 0x00 handle 50 bdaddr 00:0D:FD:47:53:B2 type ACL encrypt 0x00
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
    handle 50
> HCI Event: Command Status (0x0f) plen 4
    Read Remote Supported Features (0x01|0x001b) status 0x00 ncmd 1
> HCI Event: Max Slots Change (0x1b) plen 3
    handle 50 slots 5
> HCI Event: Read Remote Supported Features (0x0b) plen 11
    status 0x00 handle 50
    Features: 0xff 0xff 0x8f 0xfe 0x9b 0xff 0x59 0x83
< HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3
    handle 50 page 1
> HCI Event: Command Status (0x0f) plen 4
    Read Remote Extended Features (0x01|0x001c) status 0x00 ncmd 1
> HCI Event: Read Remote Extended Features (0x23) plen 13
    status 0x00 handle 50 page 1 max 1
    Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00

This patch sends mgmt_connected in remote name command status only if
conn->state is BT_CONFIG
Signed-off-by: Jaganath Kanakkassery <jaganath.k@samsung.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

net/bluetooth/hci_event.c

@@ -1581,7 +1581,8 @@ static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
 	struct discovery_state *discov = &hdev->discovery;
 	struct inquiry_entry *e;
 
-	if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+	if (conn && conn->state == BT_CONFIG &&
+	    !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
 		mgmt_device_connected(hdev, conn, 0, name, name_len);
 
 	if (discov->state == DISCOVERY_STOPPED)