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 1C124C10F19 for ; Sun, 9 Jul 2023 11:33:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232931AbjGILcu (ORCPT ); Sun, 9 Jul 2023 07:32:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233017AbjGILch (ORCPT ); Sun, 9 Jul 2023 07:32:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE5D113D for ; Sun, 9 Jul 2023 04:32:36 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7A5A960BC9 for ; Sun, 9 Jul 2023 11:32:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8931FC433C7; Sun, 9 Jul 2023 11:32:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1688902355; bh=ZuYXkoNjGp6D8fVKFriqmvprRiocY/enJHcUGzJTes4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MvKf6vmSkB9dXMILC4LNVDSQ1tVMngEYHyLP5xWLq1zDgwOcF8eQcDfWCDQwgoUUC N2jE0wMMZs5G/LJJ1KWOzQDJXARLADWUtNAwKGW0t8SEBUgbDkt1kDaWQIKs8L3bwb zf4EZK2p2BAsnbMzu4NjCNgVz40WHYpmvk+lozrk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuchen Yang , Dan Carpenter , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 6.3 347/431] scsi: 3w-xxxx: Add error handling for initialization failure in tw_probe() Date: Sun, 9 Jul 2023 13:14:55 +0200 Message-ID: <20230709111459.301649703@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230709111451.101012554@linuxfoundation.org> References: <20230709111451.101012554@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yuchen Yang [ Upstream commit 2e2fe5ac695a00ab03cab4db1f4d6be07168ed9d ] Smatch complains that: tw_probe() warn: missing error code 'retval' This patch adds error checking to tw_probe() to handle initialization failure. If tw_reset_sequence() function returns a non-zero value, the function will return -EINVAL to indicate initialization failure. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Yuchen Yang Link: https://lore.kernel.org/r/20230505141259.7730-1-u202114568@hust.edu.cn Reviewed-by: Dan Carpenter Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/3w-xxxx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c index ffdecb12d654c..9bd70e4618d52 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -2305,8 +2305,10 @@ static int tw_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) TW_DISABLE_INTERRUPTS(tw_dev); /* Initialize the card */ - if (tw_reset_sequence(tw_dev)) + if (tw_reset_sequence(tw_dev)) { + retval = -EINVAL; goto out_release_mem_region; + } /* Set host specific parameters */ host->max_id = TW_MAX_UNITS; -- 2.39.2