From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751866AbbH3INn (ORCPT ); Sun, 30 Aug 2015 04:13:43 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:34763 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751137AbbH3INj (ORCPT ); Sun, 30 Aug 2015 04:13:39 -0400 From: Peng Fan To: gregkh@linuxfoundation.org, jic23@kernel.org Cc: linux-kernel@vger.kernel.org, van.freenix@gmail.com, devel@driverdev.osuosl.org, linux-iio@vger.kernel.org, Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald , Tapasweni Pathak Subject: [PATCH] staging: iio: adc: lpc32xx: use correct reutrn value Date: Sun, 30 Aug 2015 16:12:57 +0800 Message-Id: <1440922377-16938-1-git-send-email-van.freenix@gmail.com> X-Mailer: git-send-email 1.8.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To lpc32xx_adc driver, when platform_get_resource or platform_get_irq failed, we should use -ENXIO as a return value, but not -EBUSY. Signed-off-by: Peng Fan Cc: Jonathan Cameron Cc: Hartmut Knaack Cc: Lars-Peter Clausen Cc: Peter Meerwald Cc: Greg Kroah-Hartman Cc: Tapasweni Pathak --- drivers/staging/iio/adc/lpc32xx_adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c index 5331c44..bcf4ebb 100644 --- a/drivers/staging/iio/adc/lpc32xx_adc.c +++ b/drivers/staging/iio/adc/lpc32xx_adc.c @@ -137,7 +137,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(&pdev->dev, "failed to get platform I/O memory\n"); - return -EBUSY; + return -ENXIO; } iodev = devm_iio_device_alloc(&pdev->dev, sizeof(*info)); @@ -162,7 +162,7 @@ static int lpc32xx_adc_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq <= 0) { dev_err(&pdev->dev, "failed getting interrupt resource\n"); - return -EINVAL; + return -ENXIO; } retval = devm_request_irq(&pdev->dev, irq, lpc32xx_adc_isr, 0, -- 1.8.4