From patchwork Mon Mar 1 09:05:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 390617 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=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 441E7C433E6 for ; Mon, 1 Mar 2021 09:06:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19DA464E01 for ; Mon, 1 Mar 2021 09:06:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233741AbhCAJGK (ORCPT ); Mon, 1 Mar 2021 04:06:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:38056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233700AbhCAJFt (ORCPT ); Mon, 1 Mar 2021 04:05:49 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8612564E04; Mon, 1 Mar 2021 09:05:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614589508; bh=MZVQyEykFEiKaPxHXQUeHA3EpjEPE1zGkLiaitaAfXk=; h=From:To:Cc:Subject:Date:From; b=sjqL5XOsHdzhHTiiKCtrYIBrQgOpr/3ayO0gknBc4SL9+LFjL28xPTa/ucUzFGQW0 6ZEEbA+0Kg9ChBCQ/E8bVYIER3GnR5SVLyusgRy2TSydxDdZlSjxI4dWKMPaLOl00J YPgJlIAsRXAhTepPrKizFJLlnCPgxCGxfDZjH8eA3N9Dtzs5a+LryGt4qflaIwWXmA 3nx9iECPAy0jp3eYZ6kyObFu3bboNDhdBxCaDDy1LtDVPLbkm7VaGlc9nNYgESZoI+ WGy1niXjuktuT7ZFZNZHrjuivvsBB6OkeATsJSsaU1wvPK4o4hcSnL938TBdF1blzS yzvmESmpDT40w== Received: from johan by xi.lan with local (Exim 4.93.0.4) (envelope-from ) id 1lGeUX-0006pG-Ak; Mon, 01 Mar 2021 10:05:26 +0100 From: Johan Hovold To: Linus Walleij , Bartosz Golaszewski Cc: Greg Kroah-Hartman , Saravana Kannan , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH v2 0/2] gpio: regression fixes Date: Mon, 1 Mar 2021 10:05:17 +0100 Message-Id: <20210301090519.26192-1-johan@kernel.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Here's a fix for a regression in 5.12 due to the new stub-driver hack, and a fix for potential list corruption due to missing locking which has been there since the introduction of the character-device interface in 4.6. Johan Changes in v2 - drop the corresponding drv_set_drvdata() which is no longer needed after patch 1/2 - add Saravanas's reviewed-by tag to patch 2/2 Johan Hovold (2): gpio: fix NULL-deref-on-deregistration regression gpio: fix gpio-device list corruption drivers/gpio/gpiolib.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)