From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:43880 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752209AbbIPAaS (ORCPT ); Tue, 15 Sep 2015 20:30:18 -0400 Subject: Patch "iio: industrialio-buffer: Fix iio_buffer_poll return value" has been added to the 4.2-stable tree To: cristina.opriceana@gmail.com, gregkh@linuxfoundation.org, jic23@kernel.org Cc: , From: Date: Tue, 15 Sep 2015 17:30:17 -0700 Message-ID: <144236341714013@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled iio: industrialio-buffer: Fix iio_buffer_poll return value to the 4.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: iio-industrialio-buffer-fix-iio_buffer_poll-return-value.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 1bdc0293901cbea23c6dc29432e81919d4719844 Mon Sep 17 00:00:00 2001 From: Cristina Opriceana Date: Mon, 3 Aug 2015 13:37:40 +0300 Subject: iio: industrialio-buffer: Fix iio_buffer_poll return value From: Cristina Opriceana commit 1bdc0293901cbea23c6dc29432e81919d4719844 upstream. Change return value to 0 if no device is bound since unsigned int cannot support negative error codes. Fixes: f18e7a068 ("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-buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -151,7 +151,7 @@ unsigned int iio_buffer_poll(struct file struct iio_buffer *rb = indio_dev->buffer; if (!indio_dev->info) - return -ENODEV; + return 0; poll_wait(filp, &rb->pollq, wait); if (iio_buffer_ready(indio_dev, rb, rb->watermark, 0)) Patches currently in stable-queue which might be from cristina.opriceana@gmail.com are queue-4.2/iio-event-remove-negative-error-code-from-iio_event_poll.patch queue-4.2/iio-industrialio-buffer-fix-iio_buffer_poll-return-value.patch