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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 43B31C433DB for ; Thu, 18 Feb 2021 06:47:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E532A60202 for ; Thu, 18 Feb 2021 06:47:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231166AbhBRGpk (ORCPT ); Thu, 18 Feb 2021 01:45:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230380AbhBRGbf (ORCPT ); Thu, 18 Feb 2021 01:31:35 -0500 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BAF4AC061786 for ; Wed, 17 Feb 2021 22:30:51 -0800 (PST) Received: by mail-pl1-x631.google.com with SMTP id d13so705012plg.0 for ; Wed, 17 Feb 2021 22:30:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KYip4fwriZ+R8/UL+CCJ++KKQonk0PCFu8VWhzBzWzI=; b=f5VT2H4UjeBMIbMTT1Jrl9nCy9MAdnuOgVCayqulGBCNiu4gRgMZgDxYmG+5FjsJXn oIQquRxOvcRw6CFw1FXbYdHIFa6rTsIt4tMTBqa7a+VW5HX+di8BQoOfC2UVODKbMC5/ rBdLvMfcKvQzSM0V/aZqXF6QCzc+oDdoXB6hftvWcY5I0uGfKqkY0RQgJ5AtgPQ6HUI5 lFHNRe8+uWJOlEM2P3oD/19LbyRjdcuDnBU8QXLq2izH4S9lGRGT0KCddkfxgamKYjUa sj4gj7Eq0ou5u6XPILWEiN6yC1pmhnSy6vsTip3BerC3FVXgYs5OyudiJORWtbS4hJO4 809g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KYip4fwriZ+R8/UL+CCJ++KKQonk0PCFu8VWhzBzWzI=; b=kur4a7rw7mZc8RiWCPbw6lkGPyX11VAB8q0ug5pQ6XgV2Mrcxl3N9wM5q56I2TlL1y OVL7Io9NNoAJX1idBCk11bZXsArOl7rXINngM3ymfC1CGlfWtgXpRY6uoVYiFLfPWm5Y gPYeKiD7L0D/cyI6eM0Vba78TK0+oqkHyckmNq2wx3wiApsn1BqsbxPaS4bfxHMce8tD FkzRoFhX51wQuLs/Cb9b5qTVirpxBh16s3p/NNfUAbbhwx1pKzpZI4NU8/8d5tJiAIE7 uqKQJ1RcYGF4f1amtSaBnOrIRCzFExDVvjaZVokeFm1ArMGawGzBwa94bFyobxtP1loq WwvQ== X-Gm-Message-State: AOAM5339kfb4WZmowcdosM/Zky6aWJSN7IU9sX1Y5CwHpCThCbpvQDgR hNn9MdspxFVgzwY7iphwYfk= X-Google-Smtp-Source: ABdhPJwaiObq10hAQqM6lpbAlOng30r2w2hUC1KZpWjqF4PbSsNIhpL7aX0soYcloPwd6VObRGVi5Q== X-Received: by 2002:a17:90a:194b:: with SMTP id 11mr2612660pjh.100.1613629851309; Wed, 17 Feb 2021 22:30:51 -0800 (PST) Received: from localhost.localdomain ([27.61.13.38]) by smtp.gmail.com with ESMTPSA id l25sm4224067pff.105.2021.02.17.22.30.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Feb 2021 22:30:50 -0800 (PST) From: Atul Gopinathan To: gregkh@linuxfoundation.org Cc: abbotti@mev.co.uk, hsweeten@visionengravers.com, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Atul Gopinathan Subject: [PATCH] staging: comedi: cast to (void __user *) Date: Thu, 18 Feb 2021 11:58:40 +0530 Message-Id: <20210218062839.32650-1-atulgopinathan@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Resolve the following sparse warning: drivers/staging//comedi/comedi_fops.c:2983:41: warning: incorrect type in argument 1 (different address spaces) drivers/staging//comedi/comedi_fops.c:2983:41: expected void [noderef] *uptr drivers/staging//comedi/comedi_fops.c:2983:41: got unsigned int *chanlist cmd->chanlist is of type (unsigned int *) as defined in "struct comedi_cmd" in file drivers/staging/comedi/comedi.h The function "ptr_to_compat()" expects argument of type (void __user *) as defined in include/linux/compat.h Signed-off-by: Atul Gopinathan --- drivers/staging/comedi/comedi_fops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index e85a99b68f31..db483cc698fd 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2980,7 +2980,7 @@ static int put_compat_cmd(struct comedi32_cmd_struct __user *cmd32, v32.stop_src = cmd->stop_src; v32.stop_arg = cmd->stop_arg; /* Assume chanlist pointer is unchanged. */ - v32.chanlist = ptr_to_compat(cmd->chanlist); + v32.chanlist = ptr_to_compat((void __user *)cmd->chanlist); v32.chanlist_len = cmd->chanlist_len; v32.data = ptr_to_compat(cmd->data); v32.data_len = cmd->data_len; -- 2.27.0