From patchwork Thu Mar 17 12:46:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 552547 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 660EBC433F5 for ; Thu, 17 Mar 2022 12:54:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231919AbiCQMzl (ORCPT ); Thu, 17 Mar 2022 08:55:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234550AbiCQMxT (ORCPT ); Thu, 17 Mar 2022 08:53:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA90E1FDFF1; Thu, 17 Mar 2022 05:51:13 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 2BDF161240; Thu, 17 Mar 2022 12:51:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23D8EC340EF; Thu, 17 Mar 2022 12:51:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1647521472; bh=18sop7HHeHWk2N9tOaxxTwb116X8umHAw2ytwpnKPGs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mn3KS5DFMzll3jRsoz5whsQVMqRyhuA2qMPfszOH8USfDzeeNDy5bqM2/rpm4F5PH WNvHqZncCU63s1eVynEA7S/M4aBFkRmoU1NwJQ1eHUhzqtyOKa7s27bDX5wE52OaCM 9vaeI+D1oYnvDYbk0B7ddZ2+rUp/ORbsIe+W+k/c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, TOTE Robot , Jia-Ju Bai , "David S. Miller" , Sasha Levin Subject: [PATCH 5.15 16/25] atm: firestream: check the return value of ioremap() in fs_init() Date: Thu, 17 Mar 2022 13:46:03 +0100 Message-Id: <20220317124526.773280934@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220317124526.308079100@linuxfoundation.org> References: <20220317124526.308079100@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jia-Ju Bai [ Upstream commit d4e26aaea7f82ba884dcb4acfe689406bc092dc3 ] The function ioremap() in fs_init() can fail, so its return value should be checked. Reported-by: TOTE Robot Signed-off-by: Jia-Ju Bai Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/atm/firestream.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c index 3bc3c314a467..4f67404fe64c 100644 --- a/drivers/atm/firestream.c +++ b/drivers/atm/firestream.c @@ -1676,6 +1676,8 @@ static int fs_init(struct fs_dev *dev) dev->hw_base = pci_resource_start(pci_dev, 0); dev->base = ioremap(dev->hw_base, 0x1000); + if (!dev->base) + return 1; reset_chip (dev);