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=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 1A971C433E4 for ; Mon, 27 Jul 2020 14:57:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6B732083E for ; Mon, 27 Jul 2020 14:57:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729113AbgG0O54 (ORCPT ); Mon, 27 Jul 2020 10:57:56 -0400 Received: from mailout06.rmx.de ([94.199.90.92]:57669 "EHLO mailout06.rmx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728743AbgG0O54 (ORCPT ); Mon, 27 Jul 2020 10:57:56 -0400 Received: from kdin02.retarus.com (kdin02.dmz1.retloc [172.19.17.49]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mailout06.rmx.de (Postfix) with ESMTPS id 4BFjbM0xLcz9tVS; Mon, 27 Jul 2020 16:57:51 +0200 (CEST) Received: from mta.arri.de (unknown [217.111.95.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by kdin02.retarus.com (Postfix) with ESMTPS id 4BFjZw2vNzz2TTLj; Mon, 27 Jul 2020 16:57:28 +0200 (CEST) Received: from N95HX1G2.wgnetz.xx (192.168.54.121) by mta.arri.de (192.168.100.104) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 27 Jul 2020 16:57:28 +0200 From: Christian Eggers To: Jonathan Cameron CC: Christian Eggers , , "Hartmut Knaack" , Lars-Peter Clausen , "Peter Meerwald-Stadler" , , Subject: [PATCH] iio: trigger: sysfs: Disable irqs before calling iio_trigger_poll() Date: Mon, 27 Jul 2020 16:57:13 +0200 Message-ID: <20200727145714.4377-1-ceggers@arri.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [192.168.54.121] X-RMX-ID: 20200727-165728-4BFjZw2vNzz2TTLj-0@kdin02 X-RMX-SOURCE: 217.111.95.66 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org iio_trigger_poll() calls generic_handle_irq(). This function expects to be run with local IRQs disabled. Signed-off-by: Christian Eggers Cc: stable@vger.kernel.org --- drivers/iio/trigger/iio-trig-sysfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/trigger/iio-trig-sysfs.c b/drivers/iio/trigger/iio-trig-sysfs.c index e09e58072872..66a96b1632f8 100644 --- a/drivers/iio/trigger/iio-trig-sysfs.c +++ b/drivers/iio/trigger/iio-trig-sysfs.c @@ -94,7 +94,9 @@ static void iio_sysfs_trigger_work(struct irq_work *work) struct iio_sysfs_trig *trig = container_of(work, struct iio_sysfs_trig, work); + local_irq_disable(); iio_trigger_poll(trig->trig); + local_irq_enable(); } static ssize_t iio_sysfs_trigger_poll(struct device *dev, -- Christian Eggers Embedded software developer Arnold & Richter Cine Technik GmbH & Co. Betriebs KG Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRA 57918 Persoenlich haftender Gesellschafter: Arnold & Richter Cine Technik GmbH Sitz: Muenchen - Registergericht: Amtsgericht Muenchen - Handelsregisternummer: HRB 54477 Geschaeftsfuehrer: Dr. Michael Neuhaeuser; Stephan Schenk; Walter Trauninger; Markus Zeiler