Bluetooth: mgmt: Fix set_local_name and set_dev_class powered checks

Both the Set Local Name and the Set Device Class commands should fail if
the adapter is not powered on.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c27481c3c95d..03a13843cd16 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1272,6 +1272,12 @@ static int set_dev_class(struct sock *sk, u16 index, void *data, u16 len)
 
         hci_dev_lock(hdev);
 
+        if (!hdev_is_powered(hdev)) {
+                err = cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS,
+                                                MGMT_STATUS_NOT_POWERED);
+                goto unlock;
+        }
+
         hdev->major_class = cp->major;
         hdev->minor_class = cp->minor;
 
@@ -1288,6 +1294,7 @@ static int set_dev_class(struct sock *sk, u16 index, void *data, u16 len)
                 err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, 0,
                                                                 NULL, 0);
 
+unlock:
         hci_dev_unlock(hdev);
         hci_dev_put(hdev);
 
@@ -2076,6 +2083,12 @@ static int set_local_name(struct sock *sk, u16 index, void *data,
 
         hci_dev_lock(hdev);
 
+        if (!hdev_is_powered(hdev)) {
+                err = cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME,
+                                                MGMT_STATUS_NOT_POWERED);
+                goto failed;
+        }
+
         cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data,
                                                                         len);
         if (!cmd) {