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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 39312C433FF for ; Mon, 29 Jul 2019 19:40:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 086892054F for ; Mon, 29 Jul 2019 19:40:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429230; bh=C2RGfg0cJxGXzEoEg8FNKiIFxXbN0hdGRu6XWsmLnJU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=u3ZIQ4AbPNaq/s7J490GTsvT9Cho2Utt+aUJxDC1r9VRWJBznSUlAL9ovmBTTtHOH AGM+SggcJXimBvGzz4VVf0h6/bBGgG/RUf8OXGVcXddOPOWP20lo/t1F2gsea2FxNR jVTQFVRtrk0PZbrfEWJO7C+HYIIEfbNMcQwFf8CM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389166AbfG2Tk2 (ORCPT ); Mon, 29 Jul 2019 15:40:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:55718 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388588AbfG2TkZ (ORCPT ); Mon, 29 Jul 2019 15:40:25 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4388D206DD; Mon, 29 Jul 2019 19:40:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429224; bh=C2RGfg0cJxGXzEoEg8FNKiIFxXbN0hdGRu6XWsmLnJU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=athokIhJy3b7PRVxWYHWU3gHQnPUI9ebx+WqgmFwF3BmD3Ga0HMUFclqWYiPGhCrL a8BdkXtQy7l1A5/ojrbJCMdVaAW1uGx02I6l7vL0E4VIzvahN7KmFCeEFLhCZWpcwk q77Gglx6MZmKzbd7qERCObcL6IyHfdDUJ61ORQXU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Fabien Dessenne , Fabrice Gasnier , Jonathan Cameron , Sasha Levin Subject: [PATCH 4.19 003/113] iio: adc: stm32-dfsdm: manage the get_irq error case Date: Mon, 29 Jul 2019 21:21:30 +0200 Message-Id: <20190729190656.450569740@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729190655.455345569@linuxfoundation.org> References: <20190729190655.455345569@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit 3e53ef91f826957dec013c47707ffc1bb42b42d7 ] During probe, check the "get_irq" error value. Signed-off-by: Fabien Dessenne Acked-by: Fabrice Gasnier Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/adc/stm32-dfsdm-adc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c index fcd4a1c00ca0..15a115210108 100644 --- a/drivers/iio/adc/stm32-dfsdm-adc.c +++ b/drivers/iio/adc/stm32-dfsdm-adc.c @@ -1144,6 +1144,12 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev) * So IRQ associated to filter instance 0 is dedicated to the Filter 0. */ irq = platform_get_irq(pdev, 0); + if (irq < 0) { + if (irq != -EPROBE_DEFER) + dev_err(dev, "Failed to get IRQ: %d\n", irq); + return irq; + } + ret = devm_request_irq(dev, irq, stm32_dfsdm_irq, 0, pdev->name, adc); if (ret < 0) { -- 2.20.1