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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 50D97C3276D for ; Thu, 2 Jan 2020 22:53:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 263A221835 for ; Thu, 2 Jan 2020 22:53:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578005610; bh=ZVCY2T+T7NCCSdH+vNpHz/vAj3mGlseXINxTYyOQWHQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UpraKALhy5a4YrLkveNNgRqjD1nIgvDD7iS6Yd8bedL4gwnVPN+PFktN3yH7yy0mo TKomMg4zYDH6dmuI0ObfgHI3vSGeuzfQTb2wT4Wm8Ul4wFfeYKaOVNQiSuGIFtA9YL BlreRzZcEy8cesammlQUgc6bttDPkemHz5ud3/AY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729056AbgABWVv (ORCPT ); Thu, 2 Jan 2020 17:21:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:41500 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729052AbgABWVt (ORCPT ); Thu, 2 Jan 2020 17:21:49 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5601224649; Thu, 2 Jan 2020 22:21:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578003708; bh=ZVCY2T+T7NCCSdH+vNpHz/vAj3mGlseXINxTYyOQWHQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dZiU1iu1lY9pN0y/j1fqGz/1Jg4xMUuXI1cPPBr5Qn+wPKuNH9TyG5UdHoVa4aIC8 DdVb7jmhvtPjeqEcXmvBTbcbV5aQsS5fJeCo9ZOGVzTlbyKJYp+NZdt7VoDbkImoT6 NWdQt0TI2I+6Wifw5BR2tKf5YREM7k9hKUjUieZ4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Doug Meyer , Logan Gunthorpe , Bjorn Helgaas , Kelvin Cao Subject: [PATCH 4.19 082/114] PCI/switchtec: Read all 64 bits of part_event_bitmap Date: Thu, 2 Jan 2020 23:07:34 +0100 Message-Id: <20200102220037.417938346@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102220029.183913184@linuxfoundation.org> References: <20200102220029.183913184@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Logan Gunthorpe commit 6acdf7e19b37cb3a9258603d0eab315079c19c5e upstream. The part_event_bitmap register is 64 bits wide, so read it with ioread64() instead of the 32-bit ioread32(). Fixes: 52eabba5bcdb ("switchtec: Add IOCTLs to the Switchtec driver") Link: https://lore.kernel.org/r/20190910195833.3891-1-logang@deltatee.com Reported-by: Doug Meyer Signed-off-by: Logan Gunthorpe Signed-off-by: Bjorn Helgaas Cc: stable@vger.kernel.org # v4.12+ Cc: Kelvin Cao Signed-off-by: Greg Kroah-Hartman --- drivers/pci/switch/switchtec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -633,7 +633,7 @@ static int ioctl_event_summary(struct sw u32 reg; s.global = ioread32(&stdev->mmio_sw_event->global_summary); - s.part_bitmap = ioread32(&stdev->mmio_sw_event->part_event_bitmap); + s.part_bitmap = readq(&stdev->mmio_sw_event->part_event_bitmap); s.local_part = ioread32(&stdev->mmio_part_cfg->part_event_summary); for (i = 0; i < stdev->partition_count; i++) {