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 2E6D2C43332 for ; Thu, 18 Feb 2021 09:59:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F2EBD64E5F for ; Thu, 18 Feb 2021 09:59:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232274AbhBRJ5y (ORCPT ); Thu, 18 Feb 2021 04:57:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230380AbhBRIy3 (ORCPT ); Thu, 18 Feb 2021 03:54:29 -0500 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C910BC061786 for ; Thu, 18 Feb 2021 00:44:33 -0800 (PST) Received: by mail-pj1-x1032.google.com with SMTP id t2so1022416pjq.2 for ; Thu, 18 Feb 2021 00:44:33 -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=ed3oT+OewzwPMtx3xp3F8acYmpBybfyINlaZN6Lx5c4=; b=hqjskiM1dcTdIdLHKY6FqQx9B2WAf4ATIFDry3FEwSvqDP2jExxzydONzGn/fwQJnX 1mU63R8Z5HstVm8M/AmDpsq8eSGLxz/wOYPf2pvGICbcgu5djbu6A8epIrNqiJL/Tk04 C0L5YDCvtU90evEj2rHHYnZTpD3irmUSfW2Ls7gE4b8pc2u3hPH3lNf7UEnLMT1jEvhQ qA0YH+dIXRH6wwIu9zkYi9VmfIuvngWIP8WAZqJhBzst16PkcT5rTwSTU9aAwI/8bl6J rE2Xj7eXOcr60Geok91+1V8yxSY3uUlKvXPL6AhNQd8k2JazEWfrx0MkyuE3+2otg+3+ nKtg== 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=ed3oT+OewzwPMtx3xp3F8acYmpBybfyINlaZN6Lx5c4=; b=CzmcDnxmO03ZkSMJxqQUD0GuNnMEYbXDffLp8viRpIXgZT0zSaHB5uEwU+xaM5b9K6 R/UuMaNHgfgGwMWeHe+o9NjCVC+ZeS66AaKsbLT0Zrvvcd7/ZebpgjRYlVDyrHTpPlK3 ioYz1LdkWpdO1e/wRCIV4Uv9nl1p1yclqvwocCkLsTfqk2SJ1tKHFhmYeOmwT3zdsBQc 1rrruxCwtQoCRF07D8K1KXyxTKaOlGUJkVG0AvCeoMqPZF+pTPAX1qUSXYUKVaxlzT9H A1YqA5OxRQcAn3WcPLCdfwurQajNdlUbWehNcLv/GIAGTjbwT0MTl2+JUcVWQpQRxwbI 4XQQ== X-Gm-Message-State: AOAM532ER2LlgXLeJ7CdrPqjsaswhcQpyo/0r/miMrrZQlgN8Tz+2NMg xlFM+Ef6F0mW9EOcZ0xD5qY= X-Google-Smtp-Source: ABdhPJwEXv7DYrOjgQZNRGKO+GCDcYpgQpIRlfSpKHeEhbxRz/SXiEM3Uof1IEQ6CiAy/3tYM5XSRA== X-Received: by 2002:a17:902:bd85:b029:e3:11d0:367f with SMTP id q5-20020a170902bd85b02900e311d0367fmr3326951pls.12.1613637872814; Thu, 18 Feb 2021 00:44:32 -0800 (PST) Received: from localhost.localdomain ([106.200.12.142]) by smtp.gmail.com with ESMTPSA id u20sm4941761pjy.36.2021.02.18.00.44.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Feb 2021 00:44:32 -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 v2 1/2] staging: comedi: cast function output to assigned variable type Date: Thu, 18 Feb 2021 14:14:03 +0530 Message-Id: <20210218084404.16591-1-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 Fix the following warning generated by sparse: drivers/staging//comedi/comedi_fops.c:2956:23: warning: incorrect type in assignment (different address spaces) drivers/staging//comedi/comedi_fops.c:2956:23: expected unsigned int *chanlist drivers/staging//comedi/comedi_fops.c:2956:23: got void [noderef] * compat_ptr() has a return type of "void __user *" as defined in "include/linux/compat.h" cmd->chanlist is of type "unsigned int *" as defined in drivers/staging/comedi/comedi.h" in struct comedi_cmd. 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..fc4ec38012b4 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2953,7 +2953,7 @@ static int get_compat_cmd(struct comedi_cmd *cmd, cmd->scan_end_arg = v32.scan_end_arg; cmd->stop_src = v32.stop_src; cmd->stop_arg = v32.stop_arg; - cmd->chanlist = compat_ptr(v32.chanlist); + cmd->chanlist = (unsigned int __force *)compat_ptr(v32.chanlist); cmd->chanlist_len = v32.chanlist_len; cmd->data = compat_ptr(v32.data); cmd->data_len = v32.data_len; -- 2.27.0