From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755569AbbISRlf (ORCPT ); Sat, 19 Sep 2015 13:41:35 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:59935 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161315AbbISRkS (ORCPT ); Sat, 19 Sep 2015 13:40:18 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Cristina Opriceana , Jonathan Cameron Subject: [PATCH 4.2 021/120] iio: event: Remove negative error code from iio_event_poll Date: Sat, 19 Sep 2015 10:27:41 -0700 Message-Id: <20150919171713.971414918@linuxfoundation.org> X-Mailer: git-send-email 2.5.3 In-Reply-To: <20150919171712.735441938@linuxfoundation.org> References: <20150919171712.735441938@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Cristina Opriceana commit 41d903c00051d8f31c98a8136edbac67e6f8688f upstream. Negative return values are not supported by iio_event_poll since its return type is unsigned int. Fixes: f18e7a068a0a3 ("iio: Return -ENODEV for file operations if the device has been unregistered") Signed-off-by: Cristina Opriceana Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/industrialio-event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -84,7 +84,7 @@ static unsigned int iio_event_poll(struc unsigned int events = 0; if (!indio_dev->info) - return -ENODEV; + return events; poll_wait(filep, &ev_int->wait, wait);