linux-kernel - Re: [syzbot] [input?] [usb?] WARNING in asus

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Message-ID: <aXxOhV79TnuYaw0-@chandna.localdomain>
Date: Fri, 30 Jan 2026 11:54:05 +0530
From: Sahil Chandna <chandna.sahil@...il.com>
To: syzbot <syzbot+13f8286fa2de04a7cd48@...kaller.appspotmail.com>
Cc: bentiss@...nel.org, jikos@...nel.org, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [input?] [usb?] WARNING in asus_remove

#syz test
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -960,8 +960,8 @@ static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
  	}
  
  	if (drvdata->quirks & QUIRK_HID_FN_LOCK) {
-		drvdata->fn_lock = true;
  		INIT_WORK(&drvdata->fn_lock_sync_work, asus_sync_fn_lock);
+		drvdata->fn_lock = true;
  		asus_kbd_set_fn_lock(hdev, true);
  	}
  
@@ -1343,7 +1343,7 @@ static void asus_remove(struct hid_device *hdev)
  		cancel_work_sync(&drvdata->kbd_backlight->work);
  	}
  
-	if (drvdata->quirks & QUIRK_HID_FN_LOCK)
+	if ((drvdata->quirks & QUIRK_HID_FN_LOCK) && drvdata->fn_lock)
  		cancel_work_sync(&drvdata->fn_lock_sync_work);
  
  	hid_hw_stop(hdev);
--