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=-15.7 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 5AB46C433E0 for ; Wed, 17 Feb 2021 17:04:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 269DE64DF0 for ; Wed, 17 Feb 2021 17:04:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234350AbhBQREt (ORCPT ); Wed, 17 Feb 2021 12:04:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234250AbhBQREp (ORCPT ); Wed, 17 Feb 2021 12:04:45 -0500 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F114C061574 for ; Wed, 17 Feb 2021 09:04:03 -0800 (PST) Received: by mail-pj1-x102f.google.com with SMTP id gx20so2035862pjb.1 for ; Wed, 17 Feb 2021 09:04:03 -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=/Ld/ShzShm5KDKAgwYyvO0aBML/jn8k0pry3XCWAfd0=; b=NNmnKat9LAdeDIp7dqqwINwu/xuel5bwjWV2AhyFHnv1G3xHwim1kZA4VfaG5+3LxE +kTEGs36EnXR35RRYWe21MTJ3noNUDZ28NgnVWkcNyanqcNUlxtzUdOCkz5bzy01y0KV ob1uzbj1OdkOguh92oZW72e7vMu1EH/k4r6gT1wbvvrdkfRl6Vtn1vfXWgv6ttqsLxBR Jl+2nwPlkw0pJBtQZOUJCzbhF4mA05FSLzIykMbN2ljUjLVe7x9kR2OS+mMTqPkQgdBr 1rN+AaBgusw2bdDfCFRbeaJHPX3K0roEq7KyVX8q5mkr8ligkaLtzWyRqxRXvmStky2H Zadw== 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=/Ld/ShzShm5KDKAgwYyvO0aBML/jn8k0pry3XCWAfd0=; b=REAg+KbLlZstsWOTfuXzsENhcweMITVmMFAR+ZaLhKKdetp1uRYn93P0irGZ717uCJ qozMUPJoAapd53JqEKSvOa54OzC+8nEujd59rAWPAnxh6RKpu9VDUVU3T32Ouoh45+UF Ib0FEkqWneN7P5BekX96wWUTkn1LB6zgaxVF+vicxhKiAE9nyoeC6cNUAdClKN7M4RXY HpdP/btWgEKkFHTLinyDDSxO//fZzyjskTXkdlRYiRIFvdLV1jaKb0S000THcsx6i91A Nm9i+juMfTeYacRDawZCzr77V0X9BLtf8tWokG4V9Bq9ufXxFGnCtf3PnjFtSomm1Q1a igTA== X-Gm-Message-State: AOAM533hp9+KNq8u4rStNlO7Ttnnd8vOlCCMeIzdKcwEWAOs1TiQMp3b fF/f4Czmp3T5iGf8u96FVWw= X-Google-Smtp-Source: ABdhPJyfQ975J7M7Z5JfrVETyiWjBSfaRb+F1ic1oPoJYbpa/SlUQBc9RmrYKjBg0euvkiHeuMrY1g== X-Received: by 2002:a17:902:6bca:b029:e2:c5d6:973e with SMTP id m10-20020a1709026bcab02900e2c5d6973emr25292018plt.40.1613581442936; Wed, 17 Feb 2021 09:04:02 -0800 (PST) Received: from localhost.localdomain ([27.61.15.122]) by smtp.gmail.com with ESMTPSA id 9sm3200539pgw.61.2021.02.17.09.03.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Feb 2021 09:04:01 -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 (unsigned int *) Date: Wed, 17 Feb 2021 22:29:08 +0530 Message-Id: <20210217165907.9777-1-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 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