From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50471C433E0 for ; Thu, 14 Jan 2021 08:57:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 200EB23A00 for ; Thu, 14 Jan 2021 08:57:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727258AbhANI5o (ORCPT ); Thu, 14 Jan 2021 03:57:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:40046 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725989AbhANI5n (ORCPT ); Thu, 14 Jan 2021 03:57:43 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id B6977239A1; Thu, 14 Jan 2021 08:57:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610614623; bh=zsx5nPtADKLjuunMgy8/KCoh2CcAacruI1Wlbf7EFek=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=T1XU1ABZIGJeRd0lUDN7Qz58mIr5ThbTRHwkHAu5Tb8FhpXrE+HzrZ3g6T7KTbqTy wgqkUyN/wAm+IH4EDY+nSVWoj0VMtiBDVQzc3f2h9Z8MJWZUylm/bgSaVicvvngV9Y Qs3hhuZrmSGjqkfDlGYIR7YsQwfYpfcyidC3SvgBYLsoT6+yYivJOBflppZ/x5laBy /INdqHZnW//Tf7IqBnw0nWP4b+ETEM+2CbBZzTdP9gErtLgg5TQI5gV6zdM/DTpjjt ERlacjZxetXiuch7pXgY2GzFOqfYdztgHwQU07Q7JY/qnb5rZD4IF1zPl1xz6AKMDH 8oFxaeSDPn6+w== From: Felipe Balbi To: Thinh Nguyen , Greg Kroah-Hartman , linux-usb@vger.kernel.org, Peter Chen , Lee Jones , Alan Stern , Dejin Zheng , Sebastian Andrzej Siewior , "Ahmed S. Darwish" , Michal Nazarewicz Cc: stable@vger.kernel.org Subject: Re: [PATCH v2] usb: udc: core: Use lock when write to soft_connect In-Reply-To: <311bc6d30b23427420133602c2833308310b7fcb.1610595364.git.Thinh.Nguyen@synopsys.com> References: <311bc6d30b23427420133602c2833308310b7fcb.1610595364.git.Thinh.Nguyen@synopsys.com> Date: Thu, 14 Jan 2021 10:56:55 +0200 Message-ID: <87k0sf3nhk.fsf@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Thinh Nguyen writes: > Use lock to guard against concurrent access for soft-connect/disconnect > operations when writing to soft_connect sysfs. > > Cc: stable@vger.kernel.org > Fixes: 2ccea03a8f7e ("usb: gadget: introduce UDC Class") > Signed-off-by: Thinh Nguyen Acked-by: Felipe Balbi =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJFBAEBCAAvFiEElLzh7wn96CXwjh2IzL64meEamQYFAmAAB1cRHGJhbGJpQGtl cm5lbC5vcmcACgkQzL64meEamQZTDxAAjkYg8B0C4kfry3iSFLT/uXx90OYywx1q 81IZCwAEmCJVAwaQoWGnnvmMIImRnpxIqpAE91C9ZO86toqUNHZvu0SMQOUUgJcm 4LX+JOYY3DQjN6knFpvOaKuaH9DPXZmGKqSQ0Gns994hVhFJ2sLPfSaEgsVqEdha ZcOqD6yItpIIMWAd4RTm//AMp8UumTcRbyhMdkpScbNAXyPSrxqokHsgOg3rUJ+B xZlsbq1gCsZlZMBPK2nSfoGfC3WYP/iOik0nf7SRVTt6mwHT0xuufJg7bb5+sxMv NSSatGCXvER/Kt1zTHatr1j/T3dqgaDleAfZWK+UesA06rh4tNCMStLT93AgJikh itFTLlunBkesgofytv03KUyxqUByWnppVaGAup2eO++PHYStiMQnYBdl336bagkI szILyTYkMWI66zXO+vOWJvbs5wjWpQinfekCW5crMTT4wlApFXDOwqzU3wU++/jI NF3k52isu5zorSb8sG1A9W96CcZJbj4HdGUHJbnkEPC2rTI0sEO8nvSQjjRRnxLb M+nY9efuyhjl7eR8QhkLgrj0lYOeFbw7P/JLkWW/uPomAUAdMEdMmxCa7H5WtO5K Ldp2iaY2dNOTq6Z34MTZWNKj+vbtjLqRXUeWn5AS2YANfGePWT1jSB9CcURellif LO5AED7lJqo= =ZA5Q -----END PGP SIGNATURE----- --=-=-=--