Received: by 2002:a05:6a10:5594:0:0:0:0 with SMTP id ee20csp283374pxb; Mon, 25 Apr 2022 09:57:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxQJfKhUujIqkQHLJ3MA09/VuQW7ZFD3rwPDYvusCWZBB6YmR4MYdXfjtDMpIosMGIJXNoF X-Received: by 2002:a05:6402:f18:b0:425:df36:6e99 with SMTP id i24-20020a0564020f1800b00425df366e99mr9011581eda.303.1650905825970; Mon, 25 Apr 2022 09:57:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1650905825; cv=none; d=google.com; s=arc-20160816; b=StzNsRWZF7p0InOyQfGiUc/M5q7TXqrVgSqJNe+LgNlkfPQIg/YzwOB/2PHkChNdER aKiVq0+FbfemBnP+DYNFm6hrccUNYT9mBuKSRcgvkDsHwlrdZ8AbnWVRbbXwasxdh6B8 BoxgrR0z8/hmwdUmzBPa4l032oCQ0cK6IoZOoTzdehAnrATJRS/x6k0qgz1ujvqWWnUU fOize30RTUwF7XbvxvcMKuLM1HfPgeKo3HSHeXzG2HWC+5eYkoUOFjXUQStJh5u6J21t RZ9d633c+JJos7elwLQNOXdpPH2PPI3LsAcubHZ9vbwSmGMk2AQwtLZjUCBAuDj3oOUK 8HAw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:references:message-id :in-reply-to:subject:cc:to:from:date:dkim-signature; bh=N3u12wuLEP305W7IcqSlnc/KS4m0t+UufQFeHSMO7Og=; b=yLpod0/8EFmuL+83clpkUfLvqgdohwTN4YM59F+/nDoiwHzskFs3FC0B/IyRYp0dbi ArAdpiLLwkvKepy8iZ2bEE0VZs+YE0zfWvTQDcykx2Go1NJ8ywIdwcEOEc9eckgKlEn+ cPtivrahlK5YXysmr5WqIC3NDBj5frnWGCYCxp0JFEgUlUTZdePp2GqCwI9SVWjDyTK6 qO0pZ2eJ/PHyv1DKZcuTc+TD9mRdA/UTNjHwbi+YpBXSteJVJVdb0y39VFtIaovrfzo8 oEtuWuAIWFduVkapBYw6R9SXSiJbYxW5zvtiSwFI4frd4Ly4yOt+Ft4Q9XLbDjfu0AK5 OPaw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=P1Tyrdse; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id m12-20020a056402510c00b004221164fb5fsi11953965edd.200.2022.04.25.09.56.42; Mon, 25 Apr 2022 09:57:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=P1Tyrdse; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232710AbiDYMvh (ORCPT + 99 others); Mon, 25 Apr 2022 08:51:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37266 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232346AbiDYMvf (ORCPT ); Mon, 25 Apr 2022 08:51:35 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 88A80FAF7F for ; Mon, 25 Apr 2022 05:48:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650890910; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=N3u12wuLEP305W7IcqSlnc/KS4m0t+UufQFeHSMO7Og=; b=P1Tyrdse5a7cgQMSjko/IXTmc2mebZLuig6JnYbgAj384vA+dVPV6eAb1ASe6le6WlIPKG Pgn7zsTlkmZDS8qAoG6i/Y8J3ODvb5+wD9evf972zps6mRFm0RPG4eixd0xzCVgsCOKjit cbq8JGflr5/k3gJARyF8p9wE0s9YmPo= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-35-FVBNLz_pMsWSqAlIrr3jIA-1; Mon, 25 Apr 2022 08:48:27 -0400 X-MC-Unique: FVBNLz_pMsWSqAlIrr3jIA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2F55285A5BC; Mon, 25 Apr 2022 12:48:27 +0000 (UTC) Received: from file01.intranet.prod.int.rdu2.redhat.com (file01.intranet.prod.int.rdu2.redhat.com [10.11.5.7]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2566140C1241; Mon, 25 Apr 2022 12:48:27 +0000 (UTC) Received: from file01.intranet.prod.int.rdu2.redhat.com (localhost [127.0.0.1]) by file01.intranet.prod.int.rdu2.redhat.com (8.14.4/8.14.4) with ESMTP id 23PCmRVk003883; Mon, 25 Apr 2022 08:48:27 -0400 Received: from localhost (mpatocka@localhost) by file01.intranet.prod.int.rdu2.redhat.com (8.14.4/8.14.4/Submit) with ESMTP id 23PCmRVa003879; Mon, 25 Apr 2022 08:48:27 -0400 X-Authentication-Warning: file01.intranet.prod.int.rdu2.redhat.com: mpatocka owned process doing -bs Date: Mon, 25 Apr 2022 08:48:27 -0400 (EDT) From: Mikulas Patocka X-X-Sender: mpatocka@file01.intranet.prod.int.rdu2.redhat.com To: Dan Carpenter cc: Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, Milan Broz , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH] dm integrity: fix error code in dm_integrity_ctr() In-Reply-To: Message-ID: References: User-Agent: Alpine 2.02 (LRH 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks for finding it. On Mon, 25 Apr 2022, Dan Carpenter wrote: > The "r" variable shadows an earlier "r" that has function scope. It > means that we accidentally return success instead of an error code. > Smatch has a warning for this: > > drivers/md/dm-integrity.c:4503 dm_integrity_ctr() > warn: missing error code 'r' > > Fixes: 7eada909bfd7 ("dm: add integrity target") > Signed-off-by: Dan Carpenter add: Cc: stable@vger.kernel.org Reviewed-by: Mikulas Patocka > --- > drivers/md/dm-integrity.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c > index 36ae30b73a6e..3d5a0ce123c9 100644 > --- a/drivers/md/dm-integrity.c > +++ b/drivers/md/dm-integrity.c > @@ -4494,8 +4494,6 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) > } > > if (should_write_sb) { > - int r; > - > init_journal(ic, 0, ic->journal_sections, 0); > r = dm_integrity_failed(ic); > if (unlikely(r)) { > -- > 2.35.1 >