From patchwork Wed Dec 22 10:50:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 527399 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 8BE99C433EF for ; Wed, 22 Dec 2021 10:51:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244288AbhLVKvL (ORCPT ); Wed, 22 Dec 2021 05:51:11 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:47248 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239538AbhLVKvK (ORCPT ); Wed, 22 Dec 2021 05:51:10 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 70FC9B81B9D; Wed, 22 Dec 2021 10:51:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B7A3C36AE5; Wed, 22 Dec 2021 10:51:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640170268; bh=MUIobF7kB+qoPfsVPCz/wGBHLj3A4hegrXWkDmi1LyM=; h=From:To:Cc:Subject:Date:From; b=O1LV6JpQIRCWokfKZPuCMBXN1Wys6cIn7l2qgwdGKEDb67x8y3llTpVariRUGoPS+ hslFSJ+Z5j4KVAJna9sU4uh3NAWa4LZ2+F1RC4jXvfddxsOwBgBgGzxkH0TPgwJ6uY l1/atFQzOyq6cgQm8krQn47TpPk5qNLvPnihWYJ3hQBp5nlgQFPEbJBPXta1VITJ0+ kxsGylc1qdYHOE8sPBKDHmwq3MKXhNbGYN7vaxYJM0Pi4PgxGwqJIevp8d0d09s88h ESLNuxoqaNBr2exOza5hvohQ9VZCBnp1X5smPX4iiS82VIVL5gya7m3XPx2N4TdAxO x5lIcY4S2PKVw== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1mzzD2-0001dJ-Dy; Wed, 22 Dec 2021 11:51:00 +0100 From: Johan Hovold To: Rajneesh Bhardwaj , David E Box Cc: Hans de Goede , Mark Gross , Greg Kroah-Hartman , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH] platform/x86: intel_pmc_core: fix memleak on registration failure Date: Wed, 22 Dec 2021 11:50:23 +0100 Message-Id: <20211222105023.6205-1-johan@kernel.org> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org In case device registration fails during module initialisation, the platform device structure needs to be freed using platform_device_put() to properly free all resources (e.g. the device name). Fixes: 938835aa903a ("platform/x86: intel_pmc_core: do not create a static struct device") Cc: stable@vger.kernel.org # 5.9 Signed-off-by: Johan Hovold Reviewed-by: Greg Kroah-Hartman --- drivers/platform/x86/intel/pmc/pltdrv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/intel/pmc/pltdrv.c b/drivers/platform/x86/intel/pmc/pltdrv.c index 73797680b895..15ca8afdd973 100644 --- a/drivers/platform/x86/intel/pmc/pltdrv.c +++ b/drivers/platform/x86/intel/pmc/pltdrv.c @@ -65,7 +65,7 @@ static int __init pmc_core_platform_init(void) retval = platform_device_register(pmc_core_device); if (retval) - kfree(pmc_core_device); + platform_device_put(pmc_core_device); return retval; }