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authorAbhishek Pandit-Subedi <abhishekpandit@chromium.org>2020-06-19 17:10:24 -0700
committerMarcel Holtmann <marcel@holtmann.org>2020-06-22 09:08:16 +0200
commit3ca33e3fb4f919b66a72145a87bfeada079e750d (patch)
tree55b2fed2793a8d2d9aad54b116714124aa144651 /net/bluetooth
parent46605a271114f1243c807a55c607271c81e662d2 (diff)
Bluetooth: Add hci_dev_lock to get/set device flags
Adding hci_dev_lock since hci_conn_params_(lookup|add) require this lock. Suggested-by: Miao-chen Chou <mcchou@chromium.org> Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/mgmt.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 2a732cab1dc9..5e9b9728eeac 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -3895,6 +3895,8 @@ static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
bt_dev_dbg(hdev, "Get device flags %pMR (type 0x%x)\n",
&cp->addr.bdaddr, cp->addr.type);
+ hci_dev_lock(hdev);
+
if (cp->addr.type == BDADDR_BREDR) {
br_params = hci_bdaddr_list_lookup_with_flags(&hdev->whitelist,
&cp->addr.bdaddr,
@@ -3921,6 +3923,8 @@ static int get_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
status = MGMT_STATUS_SUCCESS;
done:
+ hci_dev_unlock(hdev);
+
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_DEVICE_FLAGS, status,
&rp, sizeof(rp));
}
@@ -3959,6 +3963,8 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
goto done;
}
+ hci_dev_lock(hdev);
+
if (cp->addr.type == BDADDR_BREDR) {
br_params = hci_bdaddr_list_lookup_with_flags(&hdev->whitelist,
&cp->addr.bdaddr,
@@ -3985,6 +3991,8 @@ static int set_device_flags(struct sock *sk, struct hci_dev *hdev, void *data,
}
done:
+ hci_dev_unlock(hdev);
+
if (status == MGMT_STATUS_SUCCESS)
device_flags_changed(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
supported_flags, current_flags);