diff options
Diffstat (limited to 'net/bluetooth/hci_debugfs.c')
| -rw-r--r-- | net/bluetooth/hci_debugfs.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c index 6b7741f6e95b..233453807b50 100644 --- a/net/bluetooth/hci_debugfs.c +++ b/net/bluetooth/hci_debugfs.c @@ -1046,10 +1046,12 @@ static int min_key_size_set(void *data, u64 val) { struct hci_dev *hdev = data; - if (val > hdev->le_max_key_size || val < SMP_MIN_ENC_KEY_SIZE) + hci_dev_lock(hdev); + if (val > hdev->le_max_key_size || val < SMP_MIN_ENC_KEY_SIZE) { + hci_dev_unlock(hdev); return -EINVAL; + } - hci_dev_lock(hdev); hdev->le_min_key_size = val; hci_dev_unlock(hdev); @@ -1074,10 +1076,12 @@ static int max_key_size_set(void *data, u64 val) { struct hci_dev *hdev = data; - if (val > SMP_MAX_ENC_KEY_SIZE || val < hdev->le_min_key_size) + hci_dev_lock(hdev); + if (val > SMP_MAX_ENC_KEY_SIZE || val < hdev->le_min_key_size) { + hci_dev_unlock(hdev); return -EINVAL; + } - hci_dev_lock(hdev); hdev->le_max_key_size = val; hci_dev_unlock(hdev); |