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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABA89C433E0 for ; Mon, 29 Jun 2020 20:07:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80405207D0 for ; Mon, 29 Jun 2020 20:07:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593461279; bh=TxMID6fxqEkgSgeo9KtR8+r1rroRp8nPjSidQB2ZTrE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CKCmWrE1z6Vd39PzL3yrtFk0uXqepFlVvxklNKxQrS+kTgZxGuXg/A1oi8vZpZmoF jpSq67NzLmiYMJn90Sr5hamutXHR2xi22X/hKw0iLCoaVDf1CJxXuaG02jK8pipYzk +fOu52iJm50n9gBy+zDU0Q+5eK17KQ5lR+9fcV+A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388739AbgF2UH6 (ORCPT ); Mon, 29 Jun 2020 16:07:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:40570 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732931AbgF2TaX (ORCPT ); Mon, 29 Jun 2020 15:30:23 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 08CF925258; Mon, 29 Jun 2020 15:36:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593444969; bh=TxMID6fxqEkgSgeo9KtR8+r1rroRp8nPjSidQB2ZTrE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZINXOserTlZi0MgghE/kUTegrk3bhFWV4J781C+6mvjixL1z69WpCntUOMGYI2IRv 060xmSNMnH3CXJOF/939Wa9PHEO62YsNviTemiL+Layr8PVJ4QCqhrXjZ+dYdrLzJH M/Wxc5XV1NQBkNSMdw1COYO1uMiPQxfvY28RXT74= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Charles Keepax , Mark Brown , Sasha Levin Subject: [PATCH 4.19 068/131] regmap: Fix memory leak from regmap_register_patch Date: Mon, 29 Jun 2020 11:33:59 -0400 Message-Id: <20200629153502.2494656-69-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629153502.2494656-1-sashal@kernel.org> References: <20200629153502.2494656-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.131-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.19.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.19.131-rc1 X-KernelTest-Deadline: 2020-07-01T15:34+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Charles Keepax [ Upstream commit 95b2c3ec4cb1689db2389c251d39f64490ba641c ] When a register patch is registered the reg_sequence is copied but the memory allocated is never freed. Add a kfree in regmap_exit to clean it up. Fixes: 22f0d90a3482 ("regmap: Support register patch sets") Signed-off-by: Charles Keepax Link: https://lore.kernel.org/r/20200617152129.19655-1-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/base/regmap/regmap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 6c9f6988bc093..b38b2d8c333d5 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1336,6 +1336,7 @@ void regmap_exit(struct regmap *map) if (map->hwlock) hwspin_lock_free(map->hwlock); kfree_const(map->name); + kfree(map->patch); kfree(map); } EXPORT_SYMBOL_GPL(regmap_exit); -- 2.25.1