From patchwork Tue Aug 10 17:30:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 495107 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=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 D227CC4320A for ; Tue, 10 Aug 2021 17:34:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5EF361078 for ; Tue, 10 Aug 2021 17:34:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232779AbhHJRe3 (ORCPT ); Tue, 10 Aug 2021 13:34:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:37848 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232834AbhHJRdy (ORCPT ); Tue, 10 Aug 2021 13:33:54 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4C50C60F41; Tue, 10 Aug 2021 17:33:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1628616811; bh=i2zCazZeP+sT2YQiWWWFNaOJ/n/UKH3EC44jbWO8rzQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BrbeVPaXApcDKnpGMqnMBvWcjRXbJw3jqsmT9IiOBn9sbVxO4muU7P5KUMiWNS8AT WAcGw7a+20LksBQ6Gafi6zRoXDNE0QfWGX3vSzKsb5VUhVJSAMYs9Mo2y+dMloTqVx fVKJu0gHv305dKEXG4xt8PlLOtURaehyQU9wYbzk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dongliang Mu , Mark Brown Subject: [PATCH 4.19 46/54] spi: meson-spicc: fix memory leak in meson_spicc_remove Date: Tue, 10 Aug 2021 19:30:40 +0200 Message-Id: <20210810172945.712251303@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210810172944.179901509@linuxfoundation.org> References: <20210810172944.179901509@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dongliang Mu commit 8311ee2164c5cd1b63a601ea366f540eae89f10e upstream. In meson_spicc_probe, the error handling code needs to clean up master by calling spi_master_put, but the remove function does not have this function call. This will lead to memory leak of spicc->master. Reported-by: Dongliang Mu Fixes: 454fa271bc4e("spi: Add Meson SPICC driver") Signed-off-by: Dongliang Mu Link: https://lore.kernel.org/r/20210720100116.1438974-1-mudongliangabcd@gmail.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- drivers/spi/spi-meson-spicc.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/spi/spi-meson-spicc.c +++ b/drivers/spi/spi-meson-spicc.c @@ -599,6 +599,8 @@ static int meson_spicc_remove(struct pla clk_disable_unprepare(spicc->core); + spi_master_put(spicc->master); + return 0; }