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 40AC3C0015E for ; Tue, 25 Jul 2023 11:40:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234966AbjGYLkd (ORCPT ); Tue, 25 Jul 2023 07:40:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234953AbjGYLk3 (ORCPT ); Tue, 25 Jul 2023 07:40:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 218641BC5 for ; Tue, 25 Jul 2023 04:40:20 -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 B4B3A616AF for ; Tue, 25 Jul 2023 11:40:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C549DC433C8; Tue, 25 Jul 2023 11:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690285219; bh=3WAgjho8LfwrUiyUYyvyeC8tXXldNAxK/siXFEKe5vQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hoIGQmDS58ssXKTmHImmqVDatk9lGXmB2cY3VTj3K+xp+sQrwNOnTMBJuYCYCQaja xBO4H2F8n2Z1aaxuCnGgtXRme4pcpMRNRCFGa+BdQlaJMerPC8h6/TjuP3M19hje01 G8lxsoHcEWLjBwtU7eVSVtWZamHO/rQo+Ndg/Gng= 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 5.4 097/313] scsi: 3w-xxxx: Add error handling for initialization failure in tw_probe() Date: Tue, 25 Jul 2023 12:44:10 +0200 Message-ID: <20230725104525.167299990@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230725104521.167250627@linuxfoundation.org> References: <20230725104521.167250627@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 2b1e0d5030201..75290aabd543b 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -2310,8 +2310,10 @@ 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