From d5cc6626b33780699c7a4986f3521361306862fe Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 6 May 2020 09:57:49 +0200
Subject: [PATCH] Bluetooth: Introduce HCI_MGMT_HDEV_OPTIONAL option
Git-commit: d5cc6626b33780699c7a4986f3521361306862fe
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
When setting HCI_MGMT_HDEV_OPTIONAL it is possible to target a specific
conntroller or a global interface.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
include/net/bluetooth/hci_core.h | 1 +
net/bluetooth/hci_sock.c | 12 +++++++-----
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 239ab72f16c6..0c7f3ad76665 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1554,6 +1554,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event);
#define HCI_MGMT_NO_HDEV BIT(1)
#define HCI_MGMT_UNTRUSTED BIT(2)
#define HCI_MGMT_UNCONFIGURED BIT(3)
+#define HCI_MGMT_HDEV_OPTIONAL BIT(4)
struct hci_mgmt_handler {
int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 9c4a093f8960..caf38a8ea6a8 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1579,11 +1579,13 @@ static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk,
}
}
- no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
- if (no_hdev != !hdev) {
- err = mgmt_cmd_status(sk, index, opcode,
- MGMT_STATUS_INVALID_INDEX);
- goto done;
+ if (!(handler->flags & HCI_MGMT_HDEV_OPTIONAL)) {
+ no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
+ if (no_hdev != !hdev) {
+ err = mgmt_cmd_status(sk, index, opcode,
+ MGMT_STATUS_INVALID_INDEX);
+ goto done;
+ }
}
var_len = (handler->flags & HCI_MGMT_VAR_LEN);
--
2.16.4