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 795F4C77B75 for ; Mon, 22 May 2023 18:11:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233572AbjEVSL6 (ORCPT ); Mon, 22 May 2023 14:11:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233143AbjEVSLy (ORCPT ); Mon, 22 May 2023 14:11:54 -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 ESMTPS id D200FFD for ; Mon, 22 May 2023 11:11:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684779066; 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=sKUTtrSZf3DfIRZQxguiZKn/SOmLlmmRjaQIkqJDKKw=; b=FE+5wraCc1TmLu9QHB3JGIvdT8rcyBkEMj785nd47hjw6b2S+Zo14Mc7hJ7K3tkN+iBLXu 6Qu0vxMOS/sPElFlBq6y4i4/D1s5nMMParRZcqs735ld9OTr9+RWkJmuuToF5WaNec/3mH ZImasSOKA1ejaFPQpwn+/mYbXlbTAIY= 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-473-9nIKi6-4Nwue84Km_jizCQ-1; Mon, 22 May 2023 14:11:04 -0400 X-MC-Unique: 9nIKi6-4Nwue84Km_jizCQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 05D1A800B2A; Mon, 22 May 2023 18:11:04 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.39.192.68]) by smtp.corp.redhat.com (Postfix) with ESMTP id 857F51121314; Mon, 22 May 2023 18:11:02 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <2811951.1684766430@warthog.procyon.org.uk> To: Shyam Prasad N Cc: dhowells@redhat.com, Shyam Prasad N , Steve French , Rohith Surabattula , Paulo Alcantara , Tom Talpey , Jeff Layton , linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] cifs: Fix cifs_limit_bvec_subset() to correctly check the maxmimum size MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2818726.1684779061.1@warthog.procyon.org.uk> Date: Mon, 22 May 2023 19:11:01 +0100 Message-ID: <2818727.1684779061@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Shyam Prasad N wrote: > > + max_size -= len; > > Shouldn't this decrement happen below, after the span has been > compared with max_size? It probably doesn't matter. The compiler is free to move it around, but yes that and ix++ can both be moved down. David