From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail333.us4.mandrillapp.com ([205.201.137.77]:45574 "EHLO mail333.us4.mandrillapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751609AbcCASyY (ORCPT ); Tue, 1 Mar 2016 13:54:24 -0500 Received: from pmta03.dal05.mailchimp.com (127.0.0.1) by mail333.us4.mandrillapp.com id hqnim0174nol for ; Tue, 1 Mar 2016 18:54:23 +0000 (envelope-from ) From: Subject: Patch "mei: fix fasync return value on error" has been added to the 4.4-stable tree To: , , Cc: , Message-Id: <1456858460135205@kroah.com> Date: Tue, 01 Mar 2016 18:54:23 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled mei: fix fasync return value on error to the 4.4-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: mei-fix-fasync-return-value-on-error.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From ed6dc538e5a36a331b6256d54f435c80f6715460 Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Thu, 7 Jan 2016 14:46:38 +0200 Subject: mei: fix fasync return value on error From: Tomas Winkler commit ed6dc538e5a36a331b6256d54f435c80f6715460 upstream. fasync should return a negative value on error and not poll mask POLLERR. Cc: Al Viro Reported-by: Al Viro Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mei/main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -657,7 +657,9 @@ out: * @file: pointer to file structure * @band: band bitmap * - * Return: poll mask + * Return: negative on error, + * 0 if it did no changes, + * and positive a process was added or deleted */ static int mei_fasync(int fd, struct file *file, int band) { @@ -665,7 +667,7 @@ static int mei_fasync(int fd, struct fil struct mei_cl *cl = file->private_data; if (!mei_cl_is_connected(cl)) - return POLLERR; + return -ENODEV; return fasync_helper(fd, file, band, &cl->ev_async); } Patches currently in stable-queue which might be from tomas.winkler@intel.com are queue-4.4/mei-validate-request-value-in-client-notify-request-ioctl.patch queue-4.4/mei-fix-fasync-return-value-on-error.patch