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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 8E465C07E9E for ; Mon, 12 Jul 2021 07:11:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76F72610FA for ; Mon, 12 Jul 2021 07:11:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239954AbhGLHNt (ORCPT ); Mon, 12 Jul 2021 03:13:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:45050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238680AbhGLGtN (ORCPT ); Mon, 12 Jul 2021 02:49:13 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A7DF5611B0; Mon, 12 Jul 2021 06:45:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626072305; bh=p6poGFJpUbxBpcihCHtfBDIXm0jBqGDkkWIKwaGUD/s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bziG7nxpAH820Nuwh+F6gzj4HNFoA6FHaiWl5hEZQe0PtPd2cQc58kK2dzukuFOSV x0UTeyuq4OTLoDPP9BhZuZPqJeFy2IDFAVVfJclF4pnXyiVqojjlTTYS+I1AGmewWZ e0t0MXGpLSdRhWK0fwtjZedw8zUSUy2l7d25vdO0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexandru Ardelean , Nuno Sa , Jonathan Cameron , Sasha Levin Subject: [PATCH 5.10 442/593] iio: adis_buffer: do not return ints in irq handlers Date: Mon, 12 Jul 2021 08:10:02 +0200 Message-Id: <20210712060937.508145536@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060843.180606720@linuxfoundation.org> References: <20210712060843.180606720@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nuno Sa [ Upstream commit d877539ad8e8fdde9af69887055fec6402be1a13 ] On an IRQ handler we should not return normal error codes as 'irqreturn_t' is expected. Not necessarily stable material as the old check cannot fail, so it's a bug we can not hit. Fixes: ccd2b52f4ac69 ("staging:iio: Add common ADIS library") Reviewed-by: Alexandru Ardelean Signed-off-by: Nuno Sa Link: https://lore.kernel.org/r/20210422101911.135630-2-nuno.sa@analog.com Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/imu/adis_buffer.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c index ac354321f63a..175af154e443 100644 --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -129,9 +129,6 @@ static irqreturn_t adis_trigger_handler(int irq, void *p) struct adis *adis = iio_device_get_drvdata(indio_dev); int ret; - if (!adis->buffer) - return -ENOMEM; - if (adis->data->has_paging) { mutex_lock(&adis->state_lock); if (adis->current_page != 0) { -- 2.30.2