blob: 700690fb022a8b8f8db1f4b266898566c7753505 [file] [log] [blame]
From 868837b0a94c6b1b1fdbc04d3ba218ca83432393 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Thu, 24 Jul 2025 11:19:08 +0200
Subject: usb: gadget: udc: renesas_usb3: fix device leak at unbind
From: Johan Hovold <johan@kernel.org>
commit 868837b0a94c6b1b1fdbc04d3ba218ca83432393 upstream.
Make sure to drop the reference to the companion device taken during
probe when the driver is unbound.
Fixes: 39facfa01c9f ("usb: gadget: udc: renesas_usb3: Add register of usb role switch")
Cc: stable@vger.kernel.org # 4.19
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20250724091910.21092-4-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/renesas_usb3.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -2594,6 +2594,7 @@ static int renesas_usb3_remove(struct pl
struct renesas_usb3 *usb3 = platform_get_drvdata(pdev);
debugfs_remove_recursive(usb3->dentry);
+ put_device(usb3->host_dev);
device_remove_file(&pdev->dev, &dev_attr_role);
cancel_work_sync(&usb3->role_work);