From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
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@xxxxxxxxx>
---
net/bluetooth/mgmt.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c27481c..03a1384 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) {
--
1.7.9
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