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=-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=unavailable 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 58184C43214 for ; Mon, 26 Jul 2021 16:20:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39B0660FF3 for ; Mon, 26 Jul 2021 16:20:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238063AbhGZPjN (ORCPT ); Mon, 26 Jul 2021 11:39:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:37008 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237313AbhGZPWX (ORCPT ); Mon, 26 Jul 2021 11:22:23 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E3E0660F9D; Mon, 26 Jul 2021 15:52:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1627314777; bh=suIabbxx3PuyjeYF8tOoSSVuGVGX+gwtmk4zGhYo6qU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J64qr3ownS+BNyjWv8ER8/YRUSbh/3x7eYdMDSSptMJDl6OApQ4dlH+4fFcXn1mvo SwB1diWMFXjM5l9xUikCwdzbSmh5dnE7TUfDVHINJTWUO3F8uW5nlmkap1WY/sjru8 COpH5pbxbG/8WdDil4Wrn2ISah6Zntnj4U7MmA0Q= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Maxime Ripard , Sam Ravnborg , Sasha Levin Subject: [PATCH 4.19 088/120] drm/panel: raspberrypi-touchscreen: Prevent double-free Date: Mon, 26 Jul 2021 17:39:00 +0200 Message-Id: <20210726153835.208201401@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210726153832.339431936@linuxfoundation.org> References: <20210726153832.339431936@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maxime Ripard [ Upstream commit 7bbcb919e32d776ca8ddce08abb391ab92eef6a9 ] The mipi_dsi_device allocated by mipi_dsi_device_register_full() is already free'd on release. Fixes: 2f733d6194bd ("drm/panel: Add support for the Raspberry Pi 7" Touchscreen.") Signed-off-by: Maxime Ripard Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20210720134525.563936-9-maxime@cerno.tech Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c index aab6a70ece7f..06bd03915973 100644 --- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c +++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c @@ -454,7 +454,6 @@ static int rpi_touchscreen_remove(struct i2c_client *i2c) drm_panel_remove(&ts->base); mipi_dsi_device_unregister(ts->dsi); - kfree(ts->dsi); return 0; } -- 2.30.2