diff options
Diffstat (limited to 'net/bluetooth/hci_debugfs.c')
| -rw-r--r-- | net/bluetooth/hci_debugfs.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c index 0635e4641db4..aadffaaff20e 100644 --- a/net/bluetooth/hci_debugfs.c +++ b/net/bluetooth/hci_debugfs.c @@ -1161,16 +1161,12 @@ static ssize_t force_no_mitm_write(struct file *file, size_t count, loff_t *ppos) { struct hci_dev *hdev = file->private_data; - char buf[32]; - size_t buf_size = min(count, (sizeof(buf) - 1)); bool enable; + int err; - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; - if (kstrtobool(buf, &enable)) - return -EINVAL; + err = kstrtobool_from_user(user_buf, count, &enable); + if (err) + return err; if (enable == hci_dev_test_flag(hdev, HCI_FORCE_NO_MITM)) return -EALREADY; |