From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750762AbcKYIcf (ORCPT ); Fri, 25 Nov 2016 03:32:35 -0500 Received: from mx2.suse.de ([195.135.220.15]:45351 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753149AbcKYIcE (ORCPT ); Fri, 25 Nov 2016 03:32:04 -0500 X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Johan Hovold , "Rafael J . Wysocki" , Jiri Slaby Subject: [PATCH 3.12 077/127] PM / sleep: fix device reference leak in test_suspend Date: Fri, 25 Nov 2016 09:29:50 +0100 Message-Id: <270202d09fb6cdfbe89d19948c068b4487286693.1480062521.git.jslaby@suse.cz> X-Mailer: git-send-email 2.10.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Johan Hovold 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit ceb75787bc75d0a7b88519ab8a68067ac690f55a upstream. Make sure to drop the reference taken by class_find_device() after opening the RTC device. Fixes: 77437fd4e61f (pm: boot time suspend selftest) Signed-off-by: Johan Hovold Signed-off-by: Rafael J. Wysocki Signed-off-by: Jiri Slaby --- kernel/power/suspend_test.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c index 269b097e78ea..743615bfdcec 100644 --- a/kernel/power/suspend_test.c +++ b/kernel/power/suspend_test.c @@ -169,8 +169,10 @@ static int __init test_suspend(void) /* RTCs have initialized by now too ... can we use one? */ dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm); - if (dev) + if (dev) { rtc = rtc_class_open(dev_name(dev)); + put_device(dev); + } if (!rtc) { printk(warn_no_rtc); goto done; -- 2.10.2