From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33882 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750730AbdFLIyh (ORCPT ); Mon, 12 Jun 2017 04:54:37 -0400 Subject: Patch "cpufreq: cpufreq_register_driver() should return -ENODEV if init fails" has been added to the 4.11-stable tree To: darcari@redhat.com, gregkh@linuxfoundation.org, rafael.j.wysocki@intel.com, viresh.kumar@linaro.org Cc: , From: Date: Mon, 12 Jun 2017 10:54:28 +0200 Message-ID: <149725766878201@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 cpufreq: cpufreq_register_driver() should return -ENODEV if init fails to the 4.11-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: cpufreq-cpufreq_register_driver-should-return-enodev-if-init-fails.patch and it can be found in the queue-4.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 6c77003677d5f1ce15f26d24360cb66c0bc07bb3 Mon Sep 17 00:00:00 2001 From: David Arcari Date: Fri, 26 May 2017 11:37:31 -0400 Subject: cpufreq: cpufreq_register_driver() should return -ENODEV if init fails From: David Arcari commit 6c77003677d5f1ce15f26d24360cb66c0bc07bb3 upstream. For a driver that does not set the CPUFREQ_STICKY flag, if all of the ->init() calls fail, cpufreq_register_driver() should return an error. This will prevent the driver from loading. Fixes: ce1bcfe94db8 (cpufreq: check cpufreq_policy_list instead of scanning policies for all CPUs) Signed-off-by: David Arcari Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/cpufreq/cpufreq.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2468,6 +2468,7 @@ int cpufreq_register_driver(struct cpufr if (!(cpufreq_driver->flags & CPUFREQ_STICKY) && list_empty(&cpufreq_policy_list)) { /* if all ->init() calls failed, unregister */ + ret = -ENODEV; pr_debug("%s: No CPU initialized for driver %s\n", __func__, driver_data->name); goto err_if_unreg; Patches currently in stable-queue which might be from darcari@redhat.com are queue-4.11/cpufreq-cpufreq_register_driver-should-return-enodev-if-init-fails.patch