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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 5F6FCC4363C for ; Sat, 3 Oct 2020 02:55:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A7C4206DC for ; Sat, 3 Oct 2020 02:55:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="iYQ8nPGg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725872AbgJCCzm (ORCPT ); Fri, 2 Oct 2020 22:55:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbgJCCzi (ORCPT ); Fri, 2 Oct 2020 22:55:38 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C967C0613E2 for ; Fri, 2 Oct 2020 19:55:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=7wfBmHwVyHQbmf3I7Eh12tTaqTqbHUTuaYa2EczHws8=; b=iYQ8nPGg7CJl6rJX/e4yWN71wa ofDzJthR+BgUaetQvimuVVYFqm9/EWFpj+GzR3KfR1xKhukI9184/3oICyTmW3OMkXTclIE8Kf6Ui K7sB5qnY1hm9eeui+A8xOzZS+yHJr5hKC6cbfTq8T1awNNo5Xv0Ni2P5/S2v/5kbt1Uc5liXm9X8W Fy5ftiopie/c+GxLC6yNlrOuCT8G0PmCx3K+83nUX+uLsQhzzHUriw5lODkZOo06Mya2MBdQluwN1 7U8ZDqktg8GusPzvLH/CFTX9B0Tn9uYSvt2i4Dk0uCuJBaZ2NHo62eNSNbdNhGOgvwx8WPCTzTrif tIpKmLJg==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kOXhw-0005Ut-GA; Sat, 03 Oct 2020 02:55:36 +0000 From: "Matthew Wilcox (Oracle)" To: Al Viro Cc: "Matthew Wilcox (Oracle)" , Christoph Hellwig , linux-fsdevel@vger.kernel.org Subject: [PATCH 04/13] um/mconsole: Pass a NULL pointer to kernel_read Date: Sat, 3 Oct 2020 03:55:25 +0100 Message-Id: <20201003025534.21045-5-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201003025534.21045-1-willy@infradead.org> References: <20201003025534.21045-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org We want to start at 0 and do not care about the updated value. Signed-off-by: Matthew Wilcox (Oracle) --- arch/um/drivers/mconsole_kern.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index a2e680f7d39f..eb33464cc693 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -131,7 +131,6 @@ void mconsole_proc(struct mc_request *req) struct file *file; int first_chunk = 1; char *ptr = req->request.data; - loff_t pos = 0; ptr += strlen("proc"); ptr = skip_spaces(ptr); @@ -154,7 +153,7 @@ void mconsole_proc(struct mc_request *req) } do { - len = kernel_read(file, buf, PAGE_SIZE - 1, &pos); + len = kernel_read(file, buf, PAGE_SIZE - 1, NULL); if (len < 0) { mconsole_reply(req, "Read of file failed", 1, 0); goto out_free; -- 2.28.0