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From: Greg KH <gregkh@linuxfoundation.org>
To: Lizhe <sensor1010@163.com>
Cc: stern@rowland.harvard.edu, hgajjar@de.adit-jv.com,
	stanley_chang@realtek.com, ricardo.canuelo@collabora.com,
	johan+linaro@kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] USB: hub:no need to obtain usb device
Date: Tue, 25 Jun 2024 19:50:47 +0200	[thread overview]
Message-ID: <2024062539-follow-drank-66b4@gregkh> (raw)
In-Reply-To: <20240625164607.3367-1-sensor1010@163.com>

On Tue, Jun 25, 2024 at 09:46:07AM -0700, Lizhe wrote:
> the usb device connected to the port has obtained.
> there is no need to obtain it again.
> 
> Signed-off-by: Lizhe <sensor1010@163.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);

How was this tested?

      parent reply	other threads:[~2024-06-25 17:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-25 16:46 [PATCH] USB: hub:no need to obtain usb device Lizhe
2024-06-25 16:52 ` Alan Stern
2024-06-25 17:50 ` Greg KH [this message]

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