# \[PATCH net 106/117\] Bluetooth: set dut\_mode\_fops.owner to THIS\_MODULE

- From: Taehee Yoo \<ap420073@gmail.com\>
- Date: 2020-10-08 15:58:14 
- List: netdev
- Page: https://ratatoskr.run/netdev/2020/10/9677066
- Thread: https://ratatoskr.run/netdev/2020/10/9676986/t/2.md

```text
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@gmail.com>
---
 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

```