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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3C1FC433FE for ; Mon, 7 Mar 2022 09:21:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236575AbiCGJWC (ORCPT ); Mon, 7 Mar 2022 04:22:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231336AbiCGJV0 (ORCPT ); Mon, 7 Mar 2022 04:21:26 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DEAA53E1F; Mon, 7 Mar 2022 01:20:06 -0800 (PST) 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 AD97F60FF6; Mon, 7 Mar 2022 09:20:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1F8BC340F3; Mon, 7 Mar 2022 09:20:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646644805; bh=H4TVj+cf/uNrpTzIJj6dLxFemyB75Dl783yOAYEYQhQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j2fnjQILFAm6Fkc0VOun5+rveLpynMFoFr1apE+ogIMGdR3VFu1lOZEE/cSkLS7dw bHxy4NoacDH1xH1V20710CpUHuZ8K4uwz2EuSIovbX0kQfIMVVKJeYPDLYf5vMgZa8 gqC2/M36X+G9TB9ls49Fal2Qx+4PSn2BXqstlvDU= 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 4.9 27/32] net: chelsio: cxgb3: check the return value of pci_find_capability() Date: Mon, 7 Mar 2022 10:18:53 +0100 Message-Id: <20220307091635.210152083@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220307091634.434478485@linuxfoundation.org> References: <20220307091634.434478485@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: Jia-Ju Bai [ Upstream commit 767b9825ed1765894e569a3d698749d40d83762a ] The function pci_find_capability() in t3_prep_adapter() can fail, so its return value should be checked. Fixes: 4d22de3e6cc4 ("Add support for the latest 1G/10G Chelsio adapter, T3") Reported-by: TOTE Robot Signed-off-by: Jia-Ju Bai Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/chelsio/cxgb3/t3_hw.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c index a89721fad633..29220141e4e4 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c @@ -3677,6 +3677,8 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, MAC_STATS_ACCUM_SECS : (MAC_STATS_ACCUM_SECS * 10); adapter->params.pci.vpd_cap_addr = pci_find_capability(adapter->pdev, PCI_CAP_ID_VPD); + if (!adapter->params.pci.vpd_cap_addr) + return -ENODEV; ret = get_vpd_params(adapter, &adapter->params.vpd); if (ret < 0) return ret; -- 2.34.1