linux-kernel - [PATCH] USB: hub:no need to obtain usb device

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Date: Tue, 25 Jun 2024 09:46:07 -0700
From: Lizhe <sensor1010@....com>
To: gregkh@...uxfoundation.org,
	stern@...land.harvard.edu,
	hgajjar@...adit-jv.com,
	stanley_chang@...ltek.com,
	ricardo.canuelo@...labora.com,
	johan+linaro@...nel.org
Cc: linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Lizhe <sensor1010@....com>
Subject: [PATCH] USB: hub:no need to obtain usb device

the usb device connected to the port has obtained.
there is no need to obtain it again.

Signed-off-by: Lizhe <sensor1010@....com>
---
 drivers/usb/core/hub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4b93c0bd1d4b..f37b991fa86a 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5358,7 +5358,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
 	if (udev) {
 		if (hcd->usb_phy && !hdev->parent)
 			usb_phy_notify_disconnect(hcd->usb_phy, udev->speed);
-		usb_disconnect(&port_dev->child);
+		usb_disconnect(&udev);
 	}
 
 	/* We can forget about a "removed" device when there's a physical
-- 
2.17.1