From patchwork Tue Aug 10 17:30:45 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: 495721 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 26555C4320A for ; Tue, 10 Aug 2021 18:05:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CCDC604AC for ; Tue, 10 Aug 2021 18:05:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234650AbhHJSFw (ORCPT ); Tue, 10 Aug 2021 14:05:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:40280 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238283AbhHJSD5 (ORCPT ); Tue, 10 Aug 2021 14:03:57 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CD9AA61167; Tue, 10 Aug 2021 17:48:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1628617691; bh=1dfqSY3yBFiUCNg7s/r20aPg8+xO56OobT7LNFiNBKc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z8LJSBjBpJigvbj6HackBSlvgGgdH/RcG+0vwjIi4QkqBFdWDBNEJkCxPQULazRaM Z96cDXt2l7cLbr1HBdYo3ukNfxGnAZPCPiMrWkHTj506t4Ft4F7HcsoCytjRO2vtLi UkRC8issNJsyKdXrg0AfLBciTMVlGUt5jxmQrmks= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zheyu Ma , Dominik Brodowski Subject: [PATCH 5.13 137/175] pcmcia: i82092: fix a null pointer dereference bug Date: Tue, 10 Aug 2021 19:30:45 +0200 Message-Id: <20210810173005.451097754@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210810173000.928681411@linuxfoundation.org> References: <20210810173000.928681411@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Zheyu Ma commit e39cdacf2f664b09029e7c1eb354c91a20c367af upstream. During the driver loading process, the 'dev' field was not assigned, but the 'dev' field was referenced in the subsequent 'i82092aa_set_mem_map' function. Signed-off-by: Zheyu Ma CC: [linux@dominikbrodowski.net: shorten commit message, add Cc to stable] Signed-off-by: Dominik Brodowski Signed-off-by: Greg Kroah-Hartman --- drivers/pcmcia/i82092.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -112,6 +112,7 @@ static int i82092aa_pci_probe(struct pci for (i = 0; i < socket_count; i++) { sockets[i].card_state = 1; /* 1 = present but empty */ sockets[i].io_base = pci_resource_start(dev, 0); + sockets[i].dev = dev; sockets[i].socket.features |= SS_CAP_PCCARD; sockets[i].socket.map_size = 0x1000; sockets[i].socket.irq_mask = 0;