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 X-Spam-Level: X-Spam-Status: No, score=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFB4AC433ED for ; Wed, 7 Apr 2021 22:10:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB96861205 for ; Wed, 7 Apr 2021 22:10:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230142AbhDGWKb (ORCPT ); Wed, 7 Apr 2021 18:10:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:50874 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229640AbhDGWKW (ORCPT ); Wed, 7 Apr 2021 18:10:22 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id F067761353; Wed, 7 Apr 2021 22:10:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617833412; bh=MbeWD88f8jD0gLyIm+8WMDx6sspBJX9rWdchSIgUtEk=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=X8xWWYTJH9c1NnC8n0SVZVMi41apHOxN08RTNuIYH67GBb9/nrPuMD++GisENSifS /q3ReuDCw2eI5gSlL+XQY3e+DG53PlSsN8+epaWsPbVAXTFNmH+NDFTKq/zn5fvq67 DF9EDVi9UP8TTMRHm/wVP7EQvbvHiPABYpR7Wf5pwkN/SPvBxAabb7AVv+R5ep55Ou z8fR2PYJ5aQBaNSZniDniIOAVgODzWUo0uxPs1V4mmcTxfpVZ7bhJptj2RfhvK7YEe 2Bbahnu4NpvYLyUNigEJ6FSQT78nSxE52LS/BCd9IkTZPoUTIqTR1SCeZ7izY7OCgt GQWwLXAb0kR2Q== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] liquidio: Fix unintented sign extension of a left shift of a u16 From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161783341195.5631.6736576843347914096.git-patchwork-notify@kernel.org> Date: Wed, 07 Apr 2021 22:10:11 +0000 References: <20210407101248.485307-1-colin.king@canonical.com> In-Reply-To: <20210407101248.485307-1-colin.king@canonical.com> To: Colin King Cc: dchickles@marvell.com, sburla@marvell.com, fmanlunas@marvell.com, davem@davemloft.net, kuba@kernel.org, rvatsavayi@caviumnetworks.com, netdev@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (refs/heads/master): On Wed, 7 Apr 2021 11:12:48 +0100 you wrote: > From: Colin Ian King > > The macro CN23XX_PEM_BAR1_INDEX_REG is being used to shift oct->pcie_port > (a u16) left 24 places. There are two subtle issues here, first the > shift gets promoted to an signed int and then sign extended to a u64. > If oct->pcie_port is 0x80 or more then the upper bits get sign extended > to 1. Secondly shfiting a u16 24 bits will lead to an overflow so it > needs to be cast to a u64 for all the bits to not overflow. > > [...] Here is the summary with links: - liquidio: Fix unintented sign extension of a left shift of a u16 https://git.kernel.org/netdev/net-next/c/298b58f00c0f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html