If THIS_MODULE is not set, the module would be removed while debugfs is being used. It eventually makes kernel panic. Fixes: 4b4148e9acc1 ("Bluetooth: Add support for setting DUT mode") Signed-off-by: Taehee Yoo <ap420073@xxxxxxxxx> --- net/bluetooth/hci_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 68bfe57b6625..5c2e65b00e68 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -116,6 +116,7 @@ static const struct file_operations dut_mode_fops = { .read = dut_mode_read, .write = dut_mode_write, .llseek = default_llseek, + .owner = THIS_MODULE, }; static ssize_t vendor_diag_read(struct file *file, char __user *user_buf, -- 2.17.1