From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56F7ACE79D4 for ; Wed, 20 Sep 2023 12:05:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235234AbjITMF3 (ORCPT ); Wed, 20 Sep 2023 08:05:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235387AbjITMFP (ORCPT ); Wed, 20 Sep 2023 08:05:15 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EF7492 for ; Wed, 20 Sep 2023 05:05:10 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C100C433C8; Wed, 20 Sep 2023 12:05:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695211509; bh=1aqix609JjeEd9v2+mqmPyCkh5zHPL7XFtjl6N2jXe4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g45b+ciBB8we2QM0PkeXkDC5LstT1EUw7gUwvz9a8kvBvtlmyh9gxXBWP3dMe6CVL vzVYiBvbmb9XvkaE7VAzeBXcEm1TCenHV2avnWobw70PbxB/76NgZeeY35f3iJxNIC sw3c+51v5WWXhAzoIVNtuOeil31Jt5vgJF2vmuSs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Boris Brezillon , Dhruva Gole , Chanwoo Choi Subject: [PATCH 4.14 102/186] PM / devfreq: Fix leak in devfreq_dev_release() Date: Wed, 20 Sep 2023 13:30:05 +0200 Message-ID: <20230920112840.670546233@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112836.799946261@linuxfoundation.org> References: <20230920112836.799946261@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Boris Brezillon commit 5693d077595de721f9ddbf9d37f40e5409707dfe upstream. srcu_init_notifier_head() allocates resources that need to be released with a srcu_cleanup_notifier_head() call. Reported by kmemleak. Fixes: 0fe3a66410a3 ("PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier") Cc: Signed-off-by: Boris Brezillon Reviewed-by: Dhruva Gole Signed-off-by: Chanwoo Choi Signed-off-by: Greg Kroah-Hartman --- drivers/devfreq/devfreq.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -495,6 +495,7 @@ static void devfreq_dev_release(struct d devfreq->profile->exit(devfreq->dev.parent); mutex_destroy(&devfreq->lock); + srcu_cleanup_notifier_head(&devfreq->transition_notifier_list); kfree(devfreq); }