patch "usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq" added to usb-testing

patch "usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq" added to usb-testing

[gregkh]

This is a note to let you know that I've just added the patch titled

    usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

to my usb git tree which can be found at
    git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-testing branch.

The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)

The patch will be merged to the usb-next branch sometime soon,
after it passes testing, and the merge window is open.

If you have any questions about this process, please let me know.


From 0113f5d4e0620fbb86ed66dc1adbbeab5a2d1560 Mon Sep 17 00:00:00 2001
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Mon, 28 Nov 2022 14:33:37 +0800
Subject: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq

Can not set the @shared_hcd to NULL before decrease the usage count
by usb_put_hcd(), this will cause the shared hcd not released.

Fixes: 04284eb74e0c ("usb: xhci-mtk: add support runtime PM")
Cc: <stable@vger.kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20221128063337.18124-1-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/host/xhci-mtk.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index cff3c4aea036..f7cbb08fc506 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -646,7 +646,6 @@ static int xhci_mtk_probe(struct platform_device *pdev)
 
 dealloc_usb3_hcd:
 	usb_remove_hcd(xhci->shared_hcd);
-	xhci->shared_hcd = NULL;
 
 put_usb3_hcd:
 	usb_put_hcd(xhci->shared_hcd);
-- 
2.38.1