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usb: gadget: udc: renesas_usb3: fix device leak at unbind

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commit 868837b0a9 upstream.

Make sure to drop the reference to the companion device taken during
probe when the driver is unbound.

Fixes: 39facfa01c ("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>
This commit is contained in:
Johan Hovold
2025-07-24 11:19:08 +02:00
committed by Greg Kroah-Hartman
parent 42f86088b7
commit 4997027888
1 changed files with 1 additions and 0 deletions
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drivers/usb/gadget/udc/renesas_usb3.c
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@@ -2657,6 +2657,7 @@ static void renesas_usb3_remove(struct platform_device *pdev)
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);