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

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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@xxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221128063337.18124-1-chunfeng.yun@xxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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





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