linux-kernel - Re: 答复: [PATCH v3] usb: gadget: u_serial: Disable ep before setting port to null to fix the crash caused by port being null

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Message-ID: <4735da72-63b7-4168-974c-ac4681d69a1e@windestam.se>
Date: Thu, 6 Feb 2025 08:47:30 +0100
From: Pelle Windestam <pelle@...destam.se>
To: Prashanth K <prashanth.k@....qualcomm.com>, 胡连勤
 <hulianqin@...o.com>, "gregkh@...uxfoundation.org"
 <gregkh@...uxfoundation.org>, Dan Carpenter <dan.carpenter@...aro.org>,
 Jon Hunter <jonathanh@...dia.com>
Cc: "mwalle@...nel.org" <mwalle@...nel.org>,
 "quic_jjohnson@...cinc.com" <quic_jjohnson@...cinc.com>,
 David Brownell <dbrownell@...rs.sourceforge.net>,
 "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "opensource.kernel" <opensource.kernel@...o.com>,
 "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
 Brad Griffis <bgriffis@...dia.com>,
 Harshit Mogalapalli <harshit.m.mogalapalli@...il.com>
Subject: Re: 答复: [PATCH v3] usb: gadget: u_serial: Disable ep before setting port to null to fix the crash caused by port being null

> Are you also using tegra-xudc ? ep_disable routine may be called in an
> atomic (interrupt) context.

Nope, I have a board based on a NXP iMX7D CPU, I'm not 100% sure what 
the tegra-xudc equivalent would be for that.

//Pelle